<script data-pm-proxy="intercept"></script><?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:googleplay="http://www.google.com/schemas/play-podcasts/1.0"><channel><title><![CDATA[Akash Arun]]></title><description><![CDATA[Expert insights on the evolving landscape of expert witness practice and the realities of Indian arbitration. Cutting through procedural complexities to analyze critical challenges, reform trends, and strategic frameworks for legal professionals.]]></description><link>https://akasharun.substack.com</link><image><url>https://substackcdn.com/image/fetch/$s_!d5CI!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0896ebff-5c2f-495f-9f07-f2dbe236db59_1024x1024.jpeg</url><title>Akash Arun</title><link>https://akasharun.substack.com</link></image><generator>Substack</generator><lastBuildDate>Tue, 01 Sep 2026 21:52:40 GMT</lastBuildDate><atom:link href="/__u/akasharun.substack.com/feed" rel="self" type="application/rss+xml"/><copyright><![CDATA[Akash Arun]]></copyright><language><![CDATA[en]]></language><webMaster><![CDATA[akasharun@substack.com]]></webMaster><itunes:owner><itunes:email><![CDATA[akasharun@substack.com]]></itunes:email><itunes:name><![CDATA[Aakash Arun]]></itunes:name></itunes:owner><itunes:author><![CDATA[Aakash Arun]]></itunes:author><googleplay:owner><![CDATA[akasharun@substack.com]]></googleplay:owner><googleplay:email><![CDATA[akasharun@substack.com]]></googleplay:email><googleplay:author><![CDATA[Aakash Arun]]></googleplay:author><itunes:block><![CDATA[Yes]]></itunes:block><item><title><![CDATA[The death of the monoculture: what we lost when everyone stopped watching the same thing]]></title><description><![CDATA[CULTURE & MEDIA]]></description><link>https://akasharun.substack.com/p/the-death-of-the-monoculture-what-cce</link><guid isPermaLink="false">https://akasharun.substack.com/p/the-death-of-the-monoculture-what-cce</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Tue, 01 Sep 2026 04:47:37 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!A4G4!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa73e9a22-9fa5-42a1-aedb-cbaff6839914_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!A4G4!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa73e9a22-9fa5-42a1-aedb-cbaff6839914_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!A4G4!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa73e9a22-9fa5-42a1-aedb-cbaff6839914_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!A4G4!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa73e9a22-9fa5-42a1-aedb-cbaff6839914_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!A4G4!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa73e9a22-9fa5-42a1-aedb-cbaff6839914_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!A4G4!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa73e9a22-9fa5-42a1-aedb-cbaff6839914_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!A4G4!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa73e9a22-9fa5-42a1-aedb-cbaff6839914_1024x559.jpeg" width="1024" height="559" 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/__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa73e9a22-9fa5-42a1-aedb-cbaff6839914_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!A4G4!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa73e9a22-9fa5-42a1-aedb-cbaff6839914_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!A4G4!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa73e9a22-9fa5-42a1-aedb-cbaff6839914_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!A4G4!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa73e9a22-9fa5-42a1-aedb-cbaff6839914_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>In 1983, 106 million Americans watched the series finale of M*A*S*H on the same night, at the same time, with no way to pause it, skip it, or watch it later &#8212; a number that still stands, four decades on, as the single most-watched scripted television broadcast in American history. Fifteen years later, Seinfeld&#8217;s finale drew 76.3 million, already a meaningful drop, in a country that had gained cable channels but not yet gained the internet as a competitor for attention. I don&#8217;t think there&#8217;s a scripted show airing today that could touch either number even if it tried, and the reason isn&#8217;t that television got worse. It&#8217;s that the entire structural condition that made 106 million people watch the same thing at the same moment has quietly stopped existing.</p><p>The collapse of that condition is visible in almost every number you can pull. US households subscribing to cable or satellite TV fell from 105 million in 2010 to an estimated 54.3 million by the end of this year, with more than 77 million households now classified as cord-cutters or cord-nevers. Streaming has structurally overtaken broadcast and cable combined, now accounting for nearly 45% of all US TV usage. Even the genres that used to reliably gather an entire country&#8217;s attention every single morning have cratered: Good Morning America&#8217;s audience is down 46% from a decade ago, Today is down 45%, CBS Mornings down 47%. Meanwhile the share of Americans who report never watching television at all has climbed from 3% in 2012 to 11% now, and the people who do watch have polarized into their own extreme: &#8220;power viewers&#8221; logging more than four hours a day have grown 35% since 2023 and now make up over a quarter of US adults. The audience didn&#8217;t just fragment. It split into people watching enormously more and people watching essentially none, with the broad shared middle mostly gone.</p><p>Music tells the identical story on a different instrument. &#8220;There is no song of the summer&#8221; was already being declared, somewhat mournfully, back in 2016 &#8212; meaning the monoculture&#8217;s collapse in music isn&#8217;t a brand-new 2026 phenomenon, it&#8217;s nearly a decade into being the default condition rather than the exception. Streaming platforms and personalized algorithms mean the Billboard charts now get filled with deep album cuts surfaced by passive, algorithmically-served listening rather than the old model of one single, chosen and promoted deliberately, competing for the exact same radio airplay and record-store dollars everyone else was fighting over. More songs chart. Fewer of them are songs your whole social circle, let alone your whole country, actually knows.</p><p>What&#8217;s left standing, almost alone, is live sports &#8212; and I think that fact is the single most useful clue for understanding what actually broke. The Super Bowl remains capable of delivering a genuinely mass, simultaneous national audience; the most recent one drew 127.7 million viewers, the most-watched television broadcast in American history, full stop, beating even M*A*S*H&#8217;s old scripted record. Sports survives as shared culture specifically because it can&#8217;t be time-shifted, spoiled, or personalized away without destroying the entire point of watching &#8212; you can&#8217;t algorithmically curate a version of a live game that&#8217;s more &#8220;you,&#8221; and you can&#8217;t watch it three days later without the result already ruining it. Every other form of media got infinitely more personalizable over the last two decades. Live sports structurally couldn&#8217;t be, and it&#8217;s the one category that still delivers what the old monoculture used to deliver everywhere.</p><p>I don&#8217;t think the honest accounting of what got lost here is uncomplicated nostalgia, because plenty of what monoculture actually meant in practice was narrower and more exclusionary than the warm memory of it suggests &#8212; a small number of networks deciding, essentially by default, what an entire country&#8217;s shared reference points would be, with everyone outside that narrow taste getting no real alternative. What&#8217;s genuinely gone, though, is something real: the low-cost, low-effort shared vocabulary that let strangers instantly locate common ground &#8212; the office conversation the next morning that everyone could join, the certainty that a reference would land with almost anyone in the room. That got replaced by extraordinary range and choice, which is a genuine gain, purchased at the specific cost of a certain kind of easy, ambient social glue that doesn&#8217;t have an obvious substitute yet. We didn&#8217;t trade shared culture for no culture. We traded it for thousands of smaller, better-fitted cultures that rarely talk to each other, and the only thing left that still reliably fills a stadium&#8217;s worth of a whole country&#8217;s attention at once is, for reasons that turn out to be structural rather than sentimental, a football game.</p>]]></content:encoded></item><item><title><![CDATA[The death of the monoculture: what we lost when everyone stopped watching the same thing]]></title><description><![CDATA[CULTURE & MEDIA]]></description><link>https://akasharun.substack.com/p/the-death-of-the-monoculture-what</link><guid isPermaLink="false">https://akasharun.substack.com/p/the-death-of-the-monoculture-what</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Thu, 27 Aug 2026 11:38:00 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!msIs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd7ecefd8-9160-40b5-b83a-1d1714cab833_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!msIs!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd7ecefd8-9160-40b5-b83a-1d1714cab833_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!msIs!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd7ecefd8-9160-40b5-b83a-1d1714cab833_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!msIs!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd7ecefd8-9160-40b5-b83a-1d1714cab833_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!msIs!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd7ecefd8-9160-40b5-b83a-1d1714cab833_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!msIs!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd7ecefd8-9160-40b5-b83a-1d1714cab833_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!msIs!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd7ecefd8-9160-40b5-b83a-1d1714cab833_1024x559.jpeg" width="1024" height="559" 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/__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd7ecefd8-9160-40b5-b83a-1d1714cab833_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!msIs!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd7ecefd8-9160-40b5-b83a-1d1714cab833_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!msIs!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd7ecefd8-9160-40b5-b83a-1d1714cab833_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!msIs!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd7ecefd8-9160-40b5-b83a-1d1714cab833_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>In 1983, 106 million Americans watched the series finale of M*A*S*H on the same night, at the same time, with no way to pause it, skip it, or watch it later &#8212; a number that still stands, four decades on, as the single most-watched scripted television broadcast in American history. Fifteen years later, Seinfeld&#8217;s finale drew 76.3 million, already a meaningful drop, in a country that had gained cable channels but not yet gained the internet as a competitor for attention. I don&#8217;t think there&#8217;s a scripted show airing today that could touch either number even if it tried, and the reason isn&#8217;t that television got worse. It&#8217;s that the entire structural condition that made 106 million people watch the same thing at the same moment has quietly stopped existing.</p><p>The collapse of that condition is visible in almost every number you can pull. US households subscribing to cable or satellite TV fell from 105 million in 2010 to an estimated 54.3 million by the end of this year, with more than 77 million households now classified as cord-cutters or cord-nevers. Streaming has structurally overtaken broadcast and cable combined, now accounting for nearly 45% of all US TV usage. Even the genres that used to reliably gather an entire country&#8217;s attention every single morning have cratered: Good Morning America&#8217;s audience is down 46% from a decade ago, Today is down 45%, CBS Mornings down 47%. Meanwhile the share of Americans who report never watching television at all has climbed from 3% in 2012 to 11% now, and the people who do watch have polarized into their own extreme: &#8220;power viewers&#8221; logging more than four hours a day have grown 35% since 2023 and now make up over a quarter of US adults. The audience didn&#8217;t just fragment. It split into people watching enormously more and people watching essentially none, with the broad shared middle mostly gone.</p><p>Music tells the identical story on a different instrument. &#8220;There is no song of the summer&#8221; was already being declared, somewhat mournfully, back in 2016 &#8212; meaning the monoculture&#8217;s collapse in music isn&#8217;t a brand-new 2026 phenomenon, it&#8217;s nearly a decade into being the default condition rather than the exception. Streaming platforms and personalized algorithms mean the Billboard charts now get filled with deep album cuts surfaced by passive, algorithmically-served listening rather than the old model of one single, chosen and promoted deliberately, competing for the exact same radio airplay and record-store dollars everyone else was fighting over. More songs chart. Fewer of them are songs your whole social circle, let alone your whole country, actually knows.</p><p>What&#8217;s left standing, almost alone, is live sports &#8212; and I think that fact is the single most useful clue for understanding what actually broke. The Super Bowl remains capable of delivering a genuinely mass, simultaneous national audience; the most recent one drew 127.7 million viewers, the most-watched television broadcast in American history, full stop, beating even M*A*S*H&#8217;s old scripted record. Sports survives as shared culture specifically because it can&#8217;t be time-shifted, spoiled, or personalized away without destroying the entire point of watching &#8212; you can&#8217;t algorithmically curate a version of a live game that&#8217;s more &#8220;you,&#8221; and you can&#8217;t watch it three days later without the result already ruining it. Every other form of media got infinitely more personalizable over the last two decades. Live sports structurally couldn&#8217;t be, and it&#8217;s the one category that still delivers what the old monoculture used to deliver everywhere.</p><p>I don&#8217;t think the honest accounting of what got lost here is uncomplicated nostalgia, because plenty of what monoculture actually meant in practice was narrower and more exclusionary than the warm memory of it suggests &#8212; a small number of networks deciding, essentially by default, what an entire country&#8217;s shared reference points would be, with everyone outside that narrow taste getting no real alternative. What&#8217;s genuinely gone, though, is something real: the low-cost, low-effort shared vocabulary that let strangers instantly locate common ground &#8212; the office conversation the next morning that everyone could join, the certainty that a reference would land with almost anyone in the room. That got replaced by extraordinary range and choice, which is a genuine gain, purchased at the specific cost of a certain kind of easy, ambient social glue that doesn&#8217;t have an obvious substitute yet. We didn&#8217;t trade shared culture for no culture. We traded it for thousands of smaller, better-fitted cultures that rarely talk to each other, and the only thing left that still reliably fills a stadium&#8217;s worth of a whole country&#8217;s attention at once is, for reasons that turn out to be structural rather than sentimental, a football game.</p>]]></content:encoded></item><item><title><![CDATA[Why everyone wants 'authenticity' while everything gets more curated.]]></title><description><![CDATA[CULTURE & MEDIA]]></description><link>https://akasharun.substack.com/p/why-everyone-wants-authenticity-while</link><guid isPermaLink="false">https://akasharun.substack.com/p/why-everyone-wants-authenticity-while</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Wed, 26 Aug 2026 05:33:54 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!h4NV!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!h4NV!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!h4NV!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!h4NV!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!h4NV!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!h4NV!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!h4NV!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg" width="1024" height="572" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/d4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:572,&quot;width&quot;:1024,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:257798,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://akasharun.substack.com/i/212804408?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!h4NV!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!h4NV!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!h4NV!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!h4NV!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4700e29-3577-40a9-a73d-c1f5b0cec13f_1024x572.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>One of the more reliable ways to spot an AI-generated influencer account right now is that it has no live video history. No stories, no reels shot in one take, no unscripted replies to comments &#8212; just an endless feed of polished still images. That absence has become an actual structural signal, one platforms are now explicitly building into their ranking systems: creators with a consistent human voice, a real face cam, live streams, and active back-and-forth with followers are being pushed higher, while the algorithmically generated content sinks. We&#8217;ve arrived at the genuinely strange point where &#8220;has done a live stream&#8221; functions as a technical proof of humanity, the same way a CAPTCHA does.</p><p>That detail is the key to the whole paradox, I think, because it explains why authenticity is having such a specific, well-timed moment right now rather than just being an eternal marketing buzzword. An estimated 35% of influencer campaigns currently incorporate some form of AI-generated content &#8212; virtual personas, AI-enhanced visuals, synthetic voiceovers, scripts written by a model and delivered by a human face. As that flood rose, something scarce got created almost by accident: proof that a piece of content actually came from an unscripted human moment. Scarcity drives value in content the same way it does in everything else, and &#8220;unmistakably, verifiably real&#8221; quietly became one of the most valuable things a creator could offer, right as it became one of the hardest things to fake convincingly.</p><p>Gen Z&#8217;s own stated preferences track this shift precisely. Roughly 68% say authentic, unpolished content outperforms highly produced advertising for them, and about 53% say authenticity and transparency now matter more to them than price when evaluating a brand. But the more interesting shift is in what &#8220;authentic&#8221; has come to actually mean to that audience. It&#8217;s moved from what you could call authenticity-as-aesthetic &#8212; a slightly grainy photo, a casual caption, the visual grammar of realness &#8212; toward authenticity-as-structure: transparent pricing shown plainly, real and enforced return policies, an honest founder story that includes the parts that don&#8217;t flatter the brand, a creator willing to say &#8220;this one wasn&#8217;t for me&#8221; in the same breath as their recommendations. That&#8217;s a meaningfully higher bar than a filter choice. It&#8217;s asking a brand to actually behave more honestly, not just to look like it is.</p><p>And this is exactly where the paradox stops being cute and starts being genuinely uncomfortable, because brands have responded to that higher bar not by becoming more honest, but by getting extremely good at manufacturing the appearance of the higher bar. Reporting on the creator economy has found brands increasingly requesting creators&#8217; imperfections as a deliberate deal term &#8212; asking for the shakier camera work, the less flattering lighting, the more casual delivery, on purpose, as a specified production value rather than an accident. &#8220;Messy&#8221; has become a look you can commission. The lo-fi aesthetic that once signaled a creator too busy or too genuine to bother with production values is now, in plenty of cases, a carefully art-directed choice made by a team that absolutely could afford better lighting and decided against it strategically.</p><p>The market itself is quietly rewarding a version of this that at least keeps some real stakes attached to it: nearly 45% of Gen Z say they trust smaller creators more than big celebrity influencers, and one 2026 industry analysis found micro-influencers with 5,000 to 50,000 followers driving 34% higher purchase intent than macro-influencers with far larger audiences. That&#8217;s not pure algorithm gaming &#8212; a creator with 12,000 followers genuinely has less institutional distance from their audience, genuinely can&#8217;t as easily hide behind a media-trained publicist, and genuinely has more to lose reputationally from an obvious fake. Smallness itself functions as a weaker but real authenticity signal, precisely because it&#8217;s harder to fully manufacture than a viral post can be.</p><p>Where I land on all of this is that &#8220;authenticity&#8221; hasn&#8217;t become meaningless so much as it&#8217;s become a genuine, scarce, valuable resource being actively contested between real behavior and manufactured signals of real behavior &#8212; and both sides are getting better at their part of that contest simultaneously. Platforms are getting better at detecting the structural fingerprints of fakery. Audiences are getting more sophisticated about decoding manufactured realness, per the same research showing Gen Z growing more skeptical of anything that merely looks honest rather than actually being it. And brands are getting better at producing the specific texture of unproduced content on demand. None of those three trends cancels the others out. They&#8217;re locked in exactly the kind of escalating arms race you&#8217;d expect once everyone involved has figured out that the appearance of realness and actual realness now trade at very different prices, and only one of them is genuinely difficult to fake at scale.</p>]]></content:encoded></item><item><title><![CDATA[Decision fatigue is real - and it's quietly running your life]]></title><description><![CDATA[PSYCHOLOGY & HUMAN BEHAVIOR]]></description><link>https://akasharun.substack.com/p/decision-fatigue-is-real-and-its</link><guid isPermaLink="false">https://akasharun.substack.com/p/decision-fatigue-is-real-and-its</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Tue, 25 Aug 2026 05:15:30 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!611M!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F4b25388e-8369-4e7d-b1b7-bdb4639582a1_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!611M!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F4b25388e-8369-4e7d-b1b7-bdb4639582a1_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!611M!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F4b25388e-8369-4e7d-b1b7-bdb4639582a1_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!611M!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F4b25388e-8369-4e7d-b1b7-bdb4639582a1_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!611M!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F4b25388e-8369-4e7d-b1b7-bdb4639582a1_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!611M!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F4b25388e-8369-4e7d-b1b7-bdb4639582a1_1024x559.jpeg 1456w" sizes="100vw"><img 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/__u/substackcdn.com/image/fetch/$s_!611M!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F4b25388e-8369-4e7d-b1b7-bdb4639582a1_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The single most famous piece of evidence for decision fatigue is a study of Israeli parole judges, and it&#8217;s worth stating the actual finding before getting to the part almost nobody mentions afterward. Researchers tracking real parole hearings found that the odds of a prisoner getting a favorable ruling started around 65% at the beginning of a judge&#8217;s session, decayed steadily toward almost zero as the session wore on, and then snapped straight back up to roughly 65% right after the judge took a food break. It&#8217;s a genuinely striking pattern, it got covered everywhere, and it became the go-to real-world proof that willpower and judgment run on some kind of depletable fuel tank that empties over the course of a day.</p><p>Here&#8217;s the part that gets left out of most retellings: that same study has since been re-examined, and the explanation researchers now consider more likely isn&#8217;t judicial hunger at all. It&#8217;s case ordering and scheduling - the pattern is consistent with easier or more clear-cut cases getting slotted toward the end of a docket, or with more complex, unresolved cases piling up earlier in a session. The actual statistical pattern in the data - outcomes getting worse for defendants across a session, then resetting after a break - appears to be real. The specific causal story everyone repeated about it, that the judges&#8217; willpower was running out like a phone battery, is now considered considerably shakier than the headline implied.</p><p>That gap between &#8220;the pattern is real&#8221; and &#8220;the explanation was wrong&#8221; turns out to describe the entire field, not just one study. The broader theory behind decision fatigue, called ego depletion - the idea that self-control draws from a single, finite psychological resource that gets used up with each act of willpower, the same way a muscle tires from repeated lifting - went through a brutal reckoning in 2016, when 23 independent labs ran a coordinated, pre-registered replication involving 2,141 participants. The effect size they found was 0.04. Statistically indistinguishable from nothing. A theory that had shaped decades of self-help advice, corporate scheduling wisdom, and a small industry of productivity books turned out to rest on a foundation that couldn&#8217;t survive a well-designed group of researchers actually trying to reproduce it.</p><p>So is decision fatigue real or isn&#8217;t it? The honest answer, and I think it&#8217;s a more useful one than either the original hype or the debunking headlines that followed it, is that the phenomenon and the mechanism are two different claims, and only one of them collapsed. The observation that a long sequence of decisions degrades the quality of the decisions that follow is still a robust, practically significant finding across plenty of well-designed research. What&#8217;s been seriously undermined is the specific story about why - that it&#8217;s a finite resource literally draining like fuel, identical regardless of what the decisions are about or how much you care about them.</p><p>The theory that&#8217;s replaced it is, I think, genuinely more useful precisely because it&#8217;s less mechanical. Researchers now generally frame what looks like depletion as a shift in motivation and attention rather than a resource running dry - your brain isn&#8217;t running out of willpower units, it&#8217;s recalculating, in real time, whether the task in front of you is still worth the effort relative to whatever else you could be doing instead. One well-designed set of experiments testing this directly found that the objective value of an alternative activity didn&#8217;t automatically produce more fatigue on its own - but people who personally valued the alternative more reported getting more fatigued while working and less fatigued while relaxing, exactly what you&#8217;d expect if fatigue tracks a live cost-benefit calculation rather than a fixed tank slowly running to empty.</p><p>What I take from sitting with both halves of this is that decision fatigue absolutely is running your life quietly in the background - just not through the mechanism the popular version describes. The famous trick of always wearing the same outfit or eating the same lunch every day probably doesn&#8217;t work by &#8220;conserving willpower units&#8221; the way it&#8217;s usually explained. It works by removing low-value competing decisions that would otherwise pull your brain&#8217;s constant, ongoing cost-benefit calculation away from the thing that actually matters that day. The practical advice ends up looking almost identical either way - make your most important decisions early, reduce the number of trivial ones competing for attention, protect your best hours for what actually counts - which might be the most reassuring thing about this whole story. The mechanism researchers believed in for years turned out to be wrong. The advice built on top of it mostly still holds, just for a quieter, less dramatic reason than a battery running down.</p>]]></content:encoded></item><item><title><![CDATA[The friendship recession: why adults are struggling to make friends]]></title><description><![CDATA[PSYCHOLOGY & HUMAN BEHAVIOR]]></description><link>https://akasharun.substack.com/p/the-friendship-recession-why-adults</link><guid isPermaLink="false">https://akasharun.substack.com/p/the-friendship-recession-why-adults</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Mon, 24 Aug 2026 05:45:58 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!WlpS!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!WlpS!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!WlpS!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!WlpS!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!WlpS!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!WlpS!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!WlpS!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg" width="1024" height="559" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/a4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:559,&quot;width&quot;:1024,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:163388,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://akasharun.substack.com/i/212504713?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!WlpS!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!WlpS!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!WlpS!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!WlpS!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa4623bcb-2772-47c8-ac9d-20d3cf6b9d0c_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>A University of Kansas researcher named Jeffrey Hall put an actual number on something that used to be pure folk wisdom: it takes roughly 50 hours together to turn a stranger into a casual friend, another 40 or so - 90 hours total - to become an actual friend, and more than 200 hours before someone earns the label &#8220;close friend.&#8221; That&#8217;s not a vague estimate. It came from surveying people who&#8217;d recently moved to a new city and asking them to clock the actual hours spent with someone they&#8217;d met there, then mapping those hours against how close the relationship had become. Once you have that number, the modern adult friendship shortage stops looking like a mystery and starts looking like simple arithmetic that most adults are structurally set up to fail.</p><p>Here&#8217;s the arithmetic: a typical working adult, managing a job, a household, and often a family, has something like 5 to 10 discretionary hours a week actually available to spend with a new acquaintance - and that&#8217;s a generous estimate, assuming no other obligations eat into it. At that rate, reaching the 200-hour close-friend threshold takes somewhere between five months and nearly a year of consistent, dedicated time with one specific person, assuming you don&#8217;t miss a week and don&#8217;t split that time across the other new people you&#8217;d also need to meet to build any kind of real social circle. Compare that to a college dorm, where proximity alone hands you dozens of hours a week with the same small group of people without either of you scheduling anything. The friendship recession isn&#8217;t really a story about people forgetting how to connect. It&#8217;s a story about adult life quietly removing the raw material - unstructured, repeated, chosen time - that friendship formation has always actually run on.</p><p>The word &#8220;chosen&#8221; in that sentence matters more than it sounds like it should, because Hall&#8217;s research found something that undercuts a comforting assumption most working adults make without examining it: hours spent together because a job or a class requires it count for meaningfully less than hours people actively decide to spend together. Sitting near a coworker eight hours a day doesn&#8217;t accumulate toward closeness the way a chosen dinner or a chosen hike does, even if the raw hour totals look similar on paper. And digital interaction - texting, liking posts, the entire daily rhythm of staying &#8220;in touch&#8221; through a phone - contributes close to zero toward actually building the relationship. You can spend real time on a friendship in the sense of minutes elapsed, and still not be spending time on it in the sense that actually moves someone from acquaintance to close friend, which is precisely the trap a huge amount of modern digitally-mediated adult social life is quietly falling into.</p><p>The statistics on where this has actually landed the country are stark enough to read like a typo the first time you see them. The share of Americans reporting zero close friends climbed from 3% in 1990 to 12% more recently, and then kept climbing - up to 17% between 2021 and 2024 alone, a jump in just a few years. The average number of close friends per person fell from 2.94 to 2.23. And the decline has hit men in a specifically brutal, gendered way: the share of men reporting six or more close friends was cut roughly in half since 1990, from 55% down to 27%, while the share of men with zero close friends jumped fivefold, from 3% to 15%. One in five unmarried, unpartnered American men currently reports having no close friends at all - meaning an entire category of men have effectively lost the two traditional channels, a partner and a friend group, simultaneously. Only 21% of men say they got emotional support from a friend in the past week, against 41% of women, which tells you this isn&#8217;t just about raw friend counts. It&#8217;s about whether the friendships that do exist are actually doing the emotional work friendships are supposed to do.</p><p>What used to backstop all of this arithmetic, quietly, was what sociologists call third places - the bowling league, the church group, the regular bar, the workplace with enough stability that colleagues turned into something more over years of overlapping hours. Those venues didn&#8217;t require anyone to deliberately schedule friendship; they just generated the repeated, chosen-enough contact that accumulated toward the 200-hour threshold as a side effect of showing up. As those institutions have thinned out - replaced by remote work, higher household mobility, and leisure time increasingly spent on individual screens rather than shared spaces - adults lost the machinery that used to generate close friendships almost automatically, without leaving behind any replacement mechanism that produces the same kind of unstructured, recurring, chosen time. Which means the honest, unglamorous fix isn&#8217;t a better app or a cleverer social strategy. It&#8217;s blocking out actual, repeated, chosen hours with the same handful of people, month after month, in a culture that currently makes that specific behavior harder to sustain than at almost any point on record.</p>]]></content:encoded></item><item><title><![CDATA[Why nostalgia is the most powerful marketing tool of this decade]]></title><description><![CDATA[PSYCHOLOGY & HUMAN BEHAVIOR]]></description><link>https://akasharun.substack.com/p/why-nostalgia-is-the-most-powerful</link><guid isPermaLink="false">https://akasharun.substack.com/p/why-nostalgia-is-the-most-powerful</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Fri, 21 Aug 2026 05:05:53 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!dvrl!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F21f90c9b-7753-47fb-aa1c-ac016457939f_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!dvrl!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F21f90c9b-7753-47fb-aa1c-ac016457939f_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!dvrl!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F21f90c9b-7753-47fb-aa1c-ac016457939f_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!dvrl!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F21f90c9b-7753-47fb-aa1c-ac016457939f_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!dvrl!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F21f90c9b-7753-47fb-aa1c-ac016457939f_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!dvrl!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F21f90c9b-7753-47fb-aa1c-ac016457939f_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!dvrl!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F21f90c9b-7753-47fb-aa1c-ac016457939f_1024x559.jpeg" width="1024" height="559" 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/__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F21f90c9b-7753-47fb-aa1c-ac016457939f_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!dvrl!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F21f90c9b-7753-47fb-aa1c-ac016457939f_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!dvrl!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F21f90c9b-7753-47fb-aa1c-ac016457939f_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!dvrl!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F21f90c9b-7753-47fb-aa1c-ac016457939f_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>In 2024, every single one of the year&#8217;s top 14 highest-grossing films was a sequel, reboot, spin-off, or franchise expansion. The first genuinely original movie on the list showed up at number 15. That&#8217;s not a fluke year - it&#8217;s the visible endpoint of an industry that figured out, with real precision, that the safest bet in entertainment isn&#8217;t a great new idea. It&#8217;s a familiar old one, dressed up and re-released to an audience already primed to love it before the trailer even starts.</p><p>What I think gets missed in the usual &#8220;Hollywood is out of ideas&#8221; complaint is that this isn&#8217;t creative laziness. It&#8217;s the correct response to a genuinely powerful, well-documented psychological lever, and the data on how well it works is almost uncomfortably specific. Streaming titles explicitly marketed as revivals of 80s and 90s intellectual property drove an average 33% spike in new subscribers in the two weeks around their premiere this year, with animated revivals outperforming live-action reboots by 11 percentage points. Nostalgia-coded subject lines in marketing emails get opened 19% more often than neutral copy. Nostalgic elements in advertising improve recall by 39%. Retro product re-releases produce a 24% lift in repeat purchases. Nobody is guessing at this anymore. Marketers have a genuinely granular, quantified playbook for exactly how much extra performance a dose of nostalgia buys them, channel by channel.</p><p>The psychology underneath those numbers is the part I find genuinely interesting, because it isn&#8217;t simple affection for the past - it&#8217;s something closer to a documented coping mechanism that happens to be extremely exploitable commercially. Research on nostalgia and spending has found that people asked to think about past memories become willing to pay more for products than people asked to think about future or new experiences. Separately, and this is the detail that actually explains the mechanism, other research has found that nostalgia measurably weakens people&#8217;s desire for money itself - it loosens the normal financial guardedness that makes people careful with what they spend. Put those two findings together and you get something coherent: nostalgia doesn&#8217;t just make old things feel good. It temporarily lowers a person&#8217;s normal resistance to spending, while simultaneously making the specific thing triggering the nostalgia feel more valuable than it would otherwise. That&#8217;s about as close to a perfect marketing mechanism as psychology has ever handed an industry.</p><p>And there&#8217;s a reason that mechanism is firing especially hard on this particular decade rather than some other one. Nostalgic consumption research consistently finds that anxiety, insecurity, and a general sense of losing control over the future all increase people&#8217;s preference for familiar, nostalgic products - it functions as a genuine soothing response to exactly the kind of uncertainty that&#8217;s been unusually abundant lately: economic instability, rapid and disorienting technological change, a political and information environment that feels less predictable by the month. Sixty-two percent of consumers now say nostalgic advertising specifically feels comforting &#8220;during uncertain times,&#8221; which is marketing research quietly admitting the mechanism out loud. Layer that anxiety-driven demand on top of pure demographic timing - millennials, the generation that grew up on 80s and 90s franchises, are now sitting at peak career earnings and peak purchasing power at exactly the moment their own childhood IP is old enough to revive - and you get a genuinely unusual alignment: the audience with the most money to spend is also the audience most primed, by both age and by ambient anxiety, to spend it on something that reminds them of a calmer version of the world.</p><p>I don&#8217;t think this is a trend that reverses on its own, because it isn&#8217;t really a trend in the fashion sense - it&#8217;s a company-level discovery that a real, replicable psychological lever produces measurable revenue, at a moment when the underlying anxiety fueling demand for it shows no sign of easing. What I find slightly uncomfortable about sitting with the research is how deliberately the mechanism gets targeted once it&#8217;s this well understood: brands aren&#8217;t stumbling into nostalgia by accident anymore, they&#8217;re engineering specific temporal cues - a font, a jingle, a decade-appropriate color palette - to trigger a documented psychological state that quietly makes people worse at guarding their own wallet. That doesn&#8217;t make the tactic dishonest, exactly. It makes it the rare case where the emotional comfort being sold and the commercial mechanism extracting value from that comfort are, transparently, the exact same thing.</p>]]></content:encoded></item><item><title><![CDATA[The psychology of doomscrolling and why it's so hard to stop]]></title><description><![CDATA[PSYCHOLOGY & HUMAN BEHAVIOR]]></description><link>https://akasharun.substack.com/p/the-psychology-of-doomscrolling-and</link><guid isPermaLink="false">https://akasharun.substack.com/p/the-psychology-of-doomscrolling-and</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Thu, 20 Aug 2026 05:23:26 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!IDjY!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!IDjY!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!IDjY!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!IDjY!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!IDjY!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!IDjY!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!IDjY!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg" width="1024" height="559" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:559,&quot;width&quot;:1024,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:198854,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://akasharun.substack.com/i/211958400?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!IDjY!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!IDjY!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!IDjY!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!IDjY!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3b18b70b-3eaf-4f4a-825e-dff5b6ff6626_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>A brain-imaging study published last year used PET scans to measure something called dopamine synthesis capacity - essentially, how much of the brain&#8217;s core reward chemical a person&#8217;s brain is actually able to produce - in a specific region called the putamen, which handles reinforcement learning and habit formation. People who spent a larger share of their phone time on social apps showed measurably lower dopamine synthesis capacity in that region. Not a survey about how people felt. An actual physical difference, visible on a scan, correlated with how much of their day went to scrolling. Whatever doomscrolling is doing to people, it isn&#8217;t purely metaphorical anymore. There&#8217;s a version of it showing up in brain chemistry.</p><p>The mechanism behind why it&#8217;s so hard to stop is, at this point, extremely well understood, which somehow makes it worse rather than easier to fix. Doomscrolling runs on variable ratio reinforcement - the same reward schedule that makes slot machines the most compulsively addictive form of gambling ever designed, and, not coincidentally, the single most reliable behavior-conditioning schedule known to psychology. You don&#8217;t know which scroll will surface the thing that grabs you. That unpredictability is the entire mechanism; a predictable reward gets boring fast, but an unpredictable one keeps the brain checking indefinitely, because the next pull might be the one. Layer onto that a threat-detection system that evolution built to prioritize danger over neutral information - negative content reliably activates the amygdala more strongly than positive content does, which is precisely why it feels more urgent and harder to look away from - and you&#8217;ve got a habit loop that isn&#8217;t a personal failing so much as two extremely old, extremely effective psychological mechanisms getting triggered by a screen dozens of times a day.</p><p>None of that is an accident on the platform side, either. Research published last year found that recommendation algorithms systematically amplify divisive, emotionally charged content specifically because it keeps people scrolling longer than neutral content does - which means the variable-reward slot machine isn&#8217;t a naturally occurring hazard you stumbled into. It&#8217;s being actively tuned, by design, toward the exact content most likely to trigger the negativity bias and keep the reinforcement loop firing.</p><p>The scale of this is bigger than the word &#8220;habit&#8221; usually implies. Roughly 31% of American adults report regularly doomscrolling, and it skews heavily generational &#8212; 51% of Gen Z and 46% of millennials report the same pattern, against a meaningfully lower share of older adults. More than a third of US adults say scrolling news at bedtime worsens their sleep, and that number climbs to 46% among 18-to-24-year-olds specifically - nearly half of an entire generation reporting that a habit they engage in nightly is actively degrading the thing they need the habit to not interfere with. A scoping review of the accumulated research found doomscrolling significantly associated with depression in the large majority of studies that measured it, along with anxiety, psychological distress, sleep disturbance, and reduced overall well-being. People who doomscroll more than two hours a day report anxiety levels roughly two and a half times higher than people who keep their news consumption under thirty minutes.</p><p>Here&#8217;s the part I think deserves more attention than it gets: the research documenting how bad this is has raced miles ahead of the research on how to actually fix it. In the same body of scoping-review literature cataloging the harms, only a small handful of studies tested any kind of intervention at all, and most of those weren&#8217;t rigorous behavioral trials so much as small pilot attempts. One of the few tested ideas - replacing doomscrolling with &#8220;kindness-scrolling,&#8221; deliberately seeking out uplifting content instead - showed only short-term mood benefits that didn&#8217;t appear to hold up over time. Cognitive behavioral therapy shows promise for helping people identify their specific triggers, and simple structural changes - hard time limits, deliberately curating what shows up in a feed rather than leaving it to the algorithm - are the interventions researchers currently consider most defensible. That&#8217;s a notably thin toolkit for a behavior this well-documented, and I think it says something honest about where this field actually is: we&#8217;ve built an extremely precise map of the trap, right down to the brain region it reshapes, and a comparatively crude, mostly untested set of tools for actually climbing back out of it. Knowing exactly how the slot machine works doesn&#8217;t automatically tell you how to walk away from it - that part, unfortunately, still looks a lot more like willpower and boring structural habits than any of us would prefer.</p>]]></content:encoded></item><item><title><![CDATA[Why we make worse decisions when we have more information]]></title><description><![CDATA[PSYCHOLOGY & HUMAN BEHAVIOR]]></description><link>https://akasharun.substack.com/p/why-we-make-worse-decisions-when</link><guid isPermaLink="false">https://akasharun.substack.com/p/why-we-make-worse-decisions-when</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Wed, 19 Aug 2026 14:35:51 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!gUrF!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec81633-8ffb-4b2e-8819-07f440cc5618_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!gUrF!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec81633-8ffb-4b2e-8819-07f440cc5618_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!gUrF!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec81633-8ffb-4b2e-8819-07f440cc5618_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!gUrF!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec81633-8ffb-4b2e-8819-07f440cc5618_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!gUrF!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec81633-8ffb-4b2e-8819-07f440cc5618_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!gUrF!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec81633-8ffb-4b2e-8819-07f440cc5618_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!gUrF!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec81633-8ffb-4b2e-8819-07f440cc5618_1024x559.jpeg" width="1024" height="559" 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/__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec81633-8ffb-4b2e-8819-07f440cc5618_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!gUrF!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec81633-8ffb-4b2e-8819-07f440cc5618_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!gUrF!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec81633-8ffb-4b2e-8819-07f440cc5618_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!gUrF!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F3ec81633-8ffb-4b2e-8819-07f440cc5618_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The most famous study in this entire field is also, it turns out, considerably shakier than the version everyone quotes. In 2000, researchers set up a jam tasting table in a grocery store: sometimes stocked with 6 varieties, sometimes with 24. The smaller display converted 30% of tasters into buyers. The larger one converted just 3% - a tenfold collapse, purely from adding more options. That result became one of the most cited findings in behavioral psychology, spawned a bestselling book about the paradox of choice, and turned &#8220;fewer options is better&#8221; into one of those facts everyone just knows. Then, a decade later, a researcher named Benjamin Scheibehenne ran a meta-analysis pooling 50 separate replication attempts of the same basic effect. The average result across all fifty studies: roughly zero. No overload effect, on average, at all.</p><p>I think that gap is more interesting than either headline on its own, because it&#8217;s not actually a case of one study being right and the other being wrong. It&#8217;s a case of a real effect getting mistaken for a universal law. Scheibehenne&#8217;s own analysis found that choice overload shows up reliably under specific conditions: when the options are hard to tell apart, when the stakes feel meaningfully high, and when the person choosing doesn&#8217;t have real expertise in the domain. Take away any one of those three ingredients and the effect tends to shrink toward nothing or even reverse. More jam flavors doesn&#8217;t overwhelm a sommelier the way it overwhelms someone who just wants toast. That&#8217;s a very different, much more useful finding than &#8220;more information is always bad&#8221; - it tells you exactly when to expect the problem and, more importantly, when you shouldn&#8217;t.</p><p>The retirement savings data makes the mechanism concrete in a way that actually costs people real money. Research on 401(k) enrollment found that plans offering just two investment funds saw participation rates around 75%, while plans offering more than 50 funds saw participation drop into the low 60s. The relationship holds at a granular level too: each additional fund option was associated with participation dropping by roughly 0.15 to 0.2 percentage points, and every ten extra funds cost the plan another 1.5 to 2 points of enrollment. Nobody sat down and rationally decided that more investment choice made saving for retirement less appealing. People just... didn&#8217;t enroll, at a measurably higher rate, the more choices sat in front of them - a decision about their own financial future, genuinely high-stakes, made by people with limited domain expertise in fund selection. That&#8217;s precisely the combination Scheibehenne&#8217;s analysis flags as the danger zone, and the cost shows up as thousands of real people quietly opting out of saving money rather than picking through fifty comparable-looking funds.</p><p>A more recent line of research puts a number on the broader pattern: one 2023 study found information overload reduced decision quality by roughly 20% through what researchers call choice paralysis - not people making a different decision, but people making a measurably worse one, or failing to decide at all and defaulting to inaction. And a 2025 review of decision fatigue specifically among healthcare professionals found significant effects in nearly half the studies that quantitatively tested for it, across diagnostic decisions, test ordering, and prescribing choices - meaning the person reviewing your test results at 4 p.m. after a full day of comparable, high-stakes, expertise-demanding decisions may genuinely be working with degraded judgment purely as a function of decision volume, regardless of how skilled or well-rested they are in the morning.</p><p>What I find myself doing differently after actually sitting with this research is being much more specific about when I trust my own instinct that &#8220;I just need more information before deciding.&#8221; That instinct is usually right when I actually have relevant expertise and the options in front of me are genuinely different from each other - more information sharpens a real distinction I&#8217;m equipped to evaluate. It&#8217;s usually a trap when the options are essentially comparable, the stakes feel large enough to make me anxious, and I don&#8217;t actually know the domain well enough to tell the choices apart on the merits - which describes an enormous share of modern decisions, from health insurance plans to streaming subscriptions to, not coincidentally, retirement funds. In those situations, more research isn&#8217;t sharpening my judgment. It&#8217;s just adding comparable-looking noise to a decision I was never well-equipped to optimize in the first place, and the honest move is picking a reasonable option and moving on rather than mistaking more tabs open in the browser for more clarity in the choice.</p>]]></content:encoded></item><item><title><![CDATA[How GLP-1 drugs are reshaping more than just waistlines]]></title><description><![CDATA[HEALTH & LONGEVITY]]></description><link>https://akasharun.substack.com/p/how-glp-1-drugs-are-reshaping-more</link><guid isPermaLink="false">https://akasharun.substack.com/p/how-glp-1-drugs-are-reshaping-more</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Tue, 18 Aug 2026 05:37:47 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!95_h!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!95_h!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!95_h!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!95_h!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!95_h!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!95_h!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!95_h!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg" width="1024" height="559" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:559,&quot;width&quot;:1024,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:217404,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://akasharun.substack.com/i/211666163?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!95_h!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!95_h!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!95_h!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!95_h!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1b3b652a-c868-4ece-b309-c117a66dd56b_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>About 18% of American adults are currently on a GLP-1 medication, up from roughly 14% just a year earlier, with projections putting total US users at around 25 million by the end of the decade, up from about 10 million now. Eli Lilly&#8217;s tirzepatide is on track to become the best-selling drug on Earth this year, north of $45 billion in global sales, edging out Novo Nordisk&#8217;s semaglutide family at a mere $39.5 billion. Those numbers alone would make this one of the biggest pharmaceutical stories in a generation. What makes it genuinely bigger than that is how many industries and disease categories that have nothing obviously to do with each other are now visibly bending around a class of drug originally approved to manage blood sugar in diabetics.</p><p>Start with what these drugs are doing to what people actually buy, because the food industry has been running its own real-time experiment on tens of millions of people for a few years now, and the early data is more specific than &#8220;people eat less.&#8221; Users of GLP-1 drugs report eating roughly 55% more fruits and vegetables and drinking about 65% fewer sugary beverages. Frozen food has taken the single largest hit of any packaged-food category, with dollar spending down about three points over a user&#8217;s first year on the medication, while chips, cookies, soda, ice cream, and candy are all seeing meaningfully lower volumes. That&#8217;s not a story about people simply eating less of everything proportionally. It&#8217;s a story about appetite itself getting restructured - less compulsive snacking and hyper-palatable food, more of the food you&#8217;d choose if your cravings weren&#8217;t doing quite so much of the deciding for you.</p><p>Alcohol is where the effect looks even sharper. Roughly one in five GLP-1 users reports drinking less since starting the medication, and one industry analysis estimates the drugs could shave something like 2.5% off cumulative US alcohol consumption by 2035 - a genuinely significant dent in a mature, heavily marketed industry, driven entirely by a diabetes and obesity drug nobody designed with beer sales in mind. Some reporting on heavy users finds consumption dropping by well over half. And it&#8217;s not simply less drinking across the board - users report shifting toward fewer, more premium drinks rather than uniformly cutting every category, which tells you this isn&#8217;t blunt appetite suppression so much as a genuine dampening of the compulsive, reach-for-another-one impulse specifically.</p><p>That same mechanism - quieting a compulsive reward-seeking loop rather than just suppressing hunger - is what&#8217;s making addiction researchers genuinely excited, carefully. A study of more than 600,000 veterans with type 2 diabetes found GLP-1 use was associated with a lower risk of substance use disorders across essentially every major drug class, along with fewer overdoses and related hospitalizations. None of that has translated into an FDA approval for treating addiction directly yet, and the researchers themselves are careful to call the evidence preliminary rather than settled. But a drug developed for blood sugar control showing up as a plausible addiction intervention, independent of any weight-loss effect, is the kind of finding that reshapes how an entire field thinks about the underlying biology of craving itself.</p><p>The cardiovascular, kidney, and brain data extend the story even further from the original weight-loss headline. A large trial found semaglutide meaningfully reduced kidney complications in patients with both type 2 diabetes and chronic kidney disease, with benefits that showed up independent of how much weight patients actually lost - meaning the drug appears to be doing something protective at the organ level beyond simply making people lighter. Separate research has linked GLP-1 use to slower cognitive decline and reduced brain shrinkage in early Alzheimer&#8217;s studies, and a much larger analysis of nearly 2.5 million patient records found people prescribed GLP-1s had a lower relative risk of developing dementia compared to those on other diabetes medications. Nobody set out to build an Alzheimer&#8217;s drug. They may have built one anyway, as a side effect of a side effect.</p><p>None of this is arriving without real costs, and I think the two most serious ones are getting less attention than the upside. Patients losing more than 15% of body weight on high-dose GLP-1 treatment see an average lean muscle mass decline of 10 to 15%, with older adults and anyone starting from low muscle mass at meaningfully higher risk - a real tradeoff that combining the drug with protein intake and resistance training appears to meaningfully offset, but only for patients who actually get that guidance, which not everyone prescribing these drugs at scale is consistently providing. And the supply side has its own mess: the FDA moved this year to permanently close the compounding loophole that let non-brand-name versions of these drugs reach patients faster and cheaper, after receiving more than 455 adverse event reports tied to compounded semaglutide and over 320 tied to compounded tirzepatide. That&#8217;s the regulatory system racing to catch up with a market that scaled faster than the safety infrastructure meant to govern it - which is, in miniature, the story of this entire drug class. The science keeps finding new systems in the body these drugs touch faster than the healthcare system, the food industry, or the regulators tracking them can fully absorb what that means.</p>]]></content:encoded></item><item><title><![CDATA[The sleep deprivation epidemic nobody wants to fix]]></title><description><![CDATA[HEALTH & LONGEVITY]]></description><link>https://akasharun.substack.com/p/the-sleep-deprivation-epidemic-nobody</link><guid isPermaLink="false">https://akasharun.substack.com/p/the-sleep-deprivation-epidemic-nobody</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Mon, 17 Aug 2026 10:47:42 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!3ZM9!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ce1bc78-8082-47bf-87e3-0b5131dd498c_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!3ZM9!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ce1bc78-8082-47bf-87e3-0b5131dd498c_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!3ZM9!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ce1bc78-8082-47bf-87e3-0b5131dd498c_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!3ZM9!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ce1bc78-8082-47bf-87e3-0b5131dd498c_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!3ZM9!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ce1bc78-8082-47bf-87e3-0b5131dd498c_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!3ZM9!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ce1bc78-8082-47bf-87e3-0b5131dd498c_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!3ZM9!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ce1bc78-8082-47bf-87e3-0b5131dd498c_1024x559.jpeg" width="1024" height="559" 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/__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ce1bc78-8082-47bf-87e3-0b5131dd498c_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!3ZM9!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ce1bc78-8082-47bf-87e3-0b5131dd498c_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!3ZM9!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ce1bc78-8082-47bf-87e3-0b5131dd498c_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!3ZM9!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6ce1bc78-8082-47bf-87e3-0b5131dd498c_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The average American adult is now sleeping about 7.13 hours a night, according to a Yale-led analysis of nearly 92,000 national health survey respondents - technically inside the recommended 7-to-9 hour range, but sitting right on the bottom edge of it, which is a bit like saying your car is technically still running on the fumes light. A separate federal data brief released this April found 30.5% of US adults report short sleep duration on a typical day. This isn&#8217;t a niche problem affecting insomniacs and new parents. It&#8217;s something like a third of the adult population, running persistently under-slept, as a stable and apparently tolerated feature of how the country functions rather than an emergency anyone&#8217;s treating as one.</p><p>The economic numbers are the part I find genuinely strange to sit with, because they&#8217;re large enough that you&#8217;d expect them to move policy on their own, and they mostly haven&#8217;t. Insufficient sleep is estimated to cost the US economy up to $411 billion a year in lost productivity alone. Widen that lens across five industrialized economies and the combined figure climbs to roughly $680 billion annually, driven by sick days, reduced output, and higher healthcare spending. Canada&#8217;s version of the same math puts its national cost at up to $21.4 billion a year, or about 1.35% of the entire country&#8217;s GDP. For comparison, that&#8217;s the kind of number that triggers immediate legislative action when it shows up attached to almost any other cause - a specific disease, a specific industrial hazard, a specific piece of infrastructure. Attached to &#8220;people aren&#8217;t sleeping enough,&#8221; it mostly just sits in reports.</p><p>I think the honest reason nobody&#8217;s fixing this at scale is that the actual causes are baked into things society has decided are non-negotiable, and no single actor has both the incentive and the authority to change any of them. Work culture treats early starts and long hours as a proxy for seriousness, regardless of what it does to the people producing the work. School schedules get built around bus logistics, teacher contracts, and after-school sports far more than around adolescent sleep biology, even though the biology here is unusually well understood and unusually ignored. And screens sit in nearly every bedroom in the country, actively fighting the exact circadian signals that are supposed to tell a body it&#8217;s time to wind down. None of these are mysteries. All of them are structurally difficult to change precisely because changing any one of them means some other institution - an employer, a school district, a tech company - has to absorb a cost or an inconvenience that sleep deprivation currently offloads onto individuals instead.</p><p>School start times are the clearest place to watch this play out, because it&#8217;s the one part of the problem with genuinely strong evidence and at least one real policy intervention already tested at scale. Teenagers experience a well-documented biological shift in their circadian rhythm that makes early waking genuinely harder for them, not just less convenient - which means a 7:30 a.m. first bell isn&#8217;t asking teenagers to be more disciplined, it&#8217;s asking an entire age group to override actual physiology on a five-day-a-week basis for years. A Swiss high school that let students choose flexible start times found they overwhelmingly picked later ones, slept about 45 minutes more per school night on average, and showed measurable improvements in well-being and academic performance as a result. California passed an actual law in 2022 requiring public high schools to start no earlier than 8:30 a.m. and middle schools no earlier than 8 a.m. - a real, binding, statewide mandate built directly on this evidence. And virtually nowhere else in the country has followed, years later, despite the evidence being just as available to every other state legislature as it was to California&#8217;s.</p><p>That gap, more than any single statistic, is what makes me think &#8220;nobody wants to fix it&#8221; is a more accurate description than &#8220;nobody knows how.&#8221; We have a state-level case study proving the intervention works, sitting right next to a well-quantified national cost running into the hundreds of billions of dollars, and the response almost everywhere outside one state has been silence rather than replication. I don&#8217;t think that&#8217;s because policymakers doubt the science. I think it&#8217;s because fixing it requires someone with real institutional power - a school board rearranging bus routes and after-school schedules, an employer rethinking what &#8220;committed&#8221; looks like, a legislature willing to spend political capital on something that reads as a lifestyle issue rather than a crisis to absorb a real, immediate cost in exchange for a diffuse, population-level benefit that mostly shows up in numbers too abstract to feel urgent. Until that changes, the $680 billion keeps compounding quietly, one under-slept year at a time, treated less like an emergency and more like the weather.</p>]]></content:encoded></item><item><title><![CDATA[Ultra-processed foods: what the latest research really says]]></title><description><![CDATA[HEALTH & LONGEVITY]]></description><link>https://akasharun.substack.com/p/ultra-processed-foods-what-the-latest</link><guid isPermaLink="false">https://akasharun.substack.com/p/ultra-processed-foods-what-the-latest</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Fri, 14 Aug 2026 05:40:41 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!u8oq!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!u8oq!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!u8oq!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!u8oq!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!u8oq!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!u8oq!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!u8oq!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg" width="1024" height="559" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/c45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:559,&quot;width&quot;:1024,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:197620,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://akasharun.substack.com/i/211139671?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!u8oq!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!u8oq!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!u8oq!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!u8oq!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc45591d9-ad37-4252-bb1e-5d68c1dbb43a_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The single study most of the ultra-processed food alarm actually rests on involved twenty adults, two weeks, and a hospital ward. Researchers at the NIH&#8217;s Clinical Center put volunteers on an ultra-processed diet for two weeks and an unprocessed diet for another two, each carefully matched for calories, sugar, fat, fiber, and macronutrients on paper, then let people eat as much as they wanted. On the ultra-processed diet, people ate roughly 500 more calories a day and gained weight. On the unprocessed diet, on the same nominal nutrition profile, they lost weight. People also physically ate the ultra-processed food faster - about 17 calories a minute faster - fast enough, the researchers suggested, that the body&#8217;s own fullness signals couldn&#8217;t keep pace with intake before the meal was already over. That&#8217;s a genuinely well-designed, causal, inpatient trial, published in a serious journal, and it&#8217;s the closest thing this entire field has to a smoking gun. It&#8217;s also n=20, two weeks per condition, which is a very small, very short foundation for the scale of policy now being built on top of it.</p><p>Here&#8217;s where the more recent research actually complicates the tidy version of the story rather than confirming it further, which I think matters more than most coverage lets on. A newer crossover trial took the same basic design - swap people between processing levels, watch what happens - but this time matched both diets to standard dietary guidelines rather than just matching them to each other&#8217;s raw macros. The result: people lost weight and improved metabolic markers on both the minimally processed diet and the ultra-processed one, as long as each version actually followed sound nutritional guidelines. That&#8217;s a genuinely important wrinkle. It suggests &#8220;ultra-processed&#8221; as a category might be doing less causal work on its own than the term implies, and that a food&#8217;s actual nutrient composition - fiber, protein, energy density, added sugar - may be carrying more of the real effect than the processing label attached to it.</p><p>The classification system underneath all of this turns out to be shakier than the confident headlines suggest, too. NOVA, the four-tier system that sorts food into &#8220;ultra-processed&#8221; versus everything else, was built by nutrition researchers roughly fifteen years ago and has become the default framework nearly every subsequent study uses. But inter-rater reliability testing - different trained evaluators independently categorizing the same foods - has found real disagreement in practice: one French study found only 55% consistency between evaluators on what actually counts as ultra-processed, while a separate US analysis found better but still imperfect agreement, around 88%. When trained nutrition scientists can&#8217;t consistently agree on which bucket a given food belongs in, building sweeping public health claims on comparisons across that bucket gets shakier than the confidence of the coverage usually lets on. Group four of the NOVA system in particular is enormous and wildly heterogeneous &#8212; it lumps a mass-produced snack cake in with a store-bought whole-grain bread and a protein bar formulated by a sports nutritionist, on the theory that shared manufacturing process matters more than wildly different nutrient profiles, which is exactly the assumption the newer trial data is starting to push back against.</p><p>None of that means the original alarm was wrong, to be clear - I don&#8217;t think it was. Something in the Hall study&#8217;s ultra-processed arm drove people to eat 500 more calories a day without noticing, and that&#8217;s a real, replicated-enough-to-take-seriously phenomenon regardless of exactly which mechanism turns out to be doing the work. What&#8217;s genuinely unresolved is whether &#8220;processing&#8221; itself is the active ingredient, or whether processing is mostly just a reliable marker for a cluster of other properties - low fiber, high energy density, engineered palatability, fast eating speed - that could in principle be present or absent independent of how industrially a food was made. That&#8217;s not a pedantic distinction. It&#8217;s the difference between &#8220;avoid anything processed&#8221; and &#8220;pay attention to fiber, energy density, and how fast a food lets you eat it,&#8221; which point toward very different diets and very different regulatory approaches.</p><p>And regulation is where this is heading regardless of how settled the underlying science actually is. The FDA opened a formal public comment process in mid-2025 specifically to develop a uniform legal definition of ultra-processed food, and the newest federal dietary guidelines now explicitly discourage highly processed foods, added sugars, and artificial additives as a matter of official policy. As of earlier this year, no agency had actually finalized a binding definition or rule - turning any of this into enforceable regulation still requires either formal rulemaking or new legislation, neither of which has happened yet. Which means the government is currently racing to build a legal category around a scientific classification that trained researchers themselves can&#8217;t reliably agree on in roughly half to one-tenth of cases, based substantially on one small, short, genuinely excellent but genuinely narrow inpatient trial. I think the honest takeaway is unglamorous, same as most of this space: pay real attention to fiber, protein, and how easy a food is to eat quickly and mindlessly, rather than sorting your pantry strictly by processing category - because the research increasingly suggests that&#8217;s closer to what&#8217;s actually driving the effect than the word &#8220;processed&#8221; ever was on its own.</p>]]></content:encoded></item><item><title><![CDATA[Why loneliness is now being treated as a public health crisis]]></title><description><![CDATA[HEALTH & LONGEVITY]]></description><link>https://akasharun.substack.com/p/why-loneliness-is-now-being-treated</link><guid isPermaLink="false">https://akasharun.substack.com/p/why-loneliness-is-now-being-treated</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Thu, 13 Aug 2026 05:35:29 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!Rjrf!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!Rjrf!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!Rjrf!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!Rjrf!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!Rjrf!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!Rjrf!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!Rjrf!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg" width="1024" height="559" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:559,&quot;width&quot;:1024,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:103088,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://akasharun.substack.com/i/210997897?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!Rjrf!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!Rjrf!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!Rjrf!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!Rjrf!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6186595d-97c9-4ddb-b9ee-b96508fbdf2a_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The single sentence that turned loneliness from a private sadness into a formal public health category is worth reading slowly: lacking social connection carries a mortality risk comparable to smoking up to 15 cigarettes a day, and a bigger one than obesity or physical inactivity. That&#8217;s not a metaphor a wellness newsletter came up with. It&#8217;s the actual framing the US Surgeon General used in a formal 2023 advisory, and it&#8217;s backed by a pooled analysis of 70 prospective studies finding that social isolation raises mortality risk by 26%, loneliness by another 26%, and simply living alone by 32% &#8212; each one independent of the other known risk factors researchers controlled for. Once loneliness produces numbers that sit next to smoking and obesity on the same mortality chart, it stops being a soft, sentimental topic and starts being a category public health systems are structurally required to take as seriously as anything else on that list.</p><p>The scale underneath that framing is what actually justifies calling it a crisis rather than just a sad statistic. The World Health Organization&#8217;s own 2025 accounting put persistent loneliness at roughly one in six people worldwide, linking it to something like 100 deaths every hour globally - well over 800,000 deaths a year, from a cause that doesn&#8217;t show up on a single death certificate anywhere, because loneliness kills through the diseases it accelerates rather than directly. In the US specifically, roughly half of adults now report measurable loneliness, and the generational shift is the detail I find most genuinely alarming: 17% of Americans currently report having zero close friends, compared to just 1% in 1990. That&#8217;s not a story about elderly widowers losing a spouse, which is the image loneliness research used to conjure. That&#8217;s a wholesale restructuring of how an entire population relates to other people, happening across age groups, over roughly one generation.</p><p>What I think is genuinely new here isn&#8217;t the loneliness itself - humans have presumably always experienced isolation - it&#8217;s the institutional machinery now being built to treat it as a category requiring the same infrastructure as any other major public health threat. The UK appointed the world&#8217;s first Minister for Loneliness back in 2018, a decision that read as slightly whimsical at the time and looks, in retrospect, like an early and correct call. Japan followed in 2021 and has since passed dedicated legislation, the Loneliness Countermeasures Act, giving the office actual legal and budgetary teeth rather than just a title. The World Health Organization convened its first-ever Commission on Social Connection, running from 2024 through this year, explicitly modeled on the kind of global coordinated response usually reserved for infectious disease or tobacco control. That&#8217;s the actual marker of a public health crisis in the modern bureaucratic sense: not just bad statistics, but the emergence of dedicated ministries, formal advisories, and international commissions organized specifically around the problem, which loneliness now has in a way it simply didn&#8217;t a decade ago.</p><p>The economics turn out to matter more than I expected going into this, mostly because they&#8217;re the language that moves budgets in a way mortality statistics alone often don&#8217;t. Loneliness and isolation are estimated to cost the US economy roughly $400 billion a year, and in Spain the figure works out to around 1.2% of the entire national GDP. Projected forward, the global economic cost of loneliness is estimated to reach $1.5 trillion by 2030, driven by a combination of direct healthcare spending, lost workplace productivity, and the broader social fragmentation that compounds on itself once a critical mass of a population stops maintaining the relationships that used to catch people before they fell too far. Public health crises get funded once they&#8217;re expensive in a way finance ministries can put a number on, and loneliness has now cleared that bar in a way it hadn&#8217;t even five years ago.</p><p>What strikes me most, though, is how far ahead the diagnosis is running compared to any actual treatment. Public health has multiple, well-tested playbooks for reducing smoking rates or improving diets, built up over decades of trial and error at population scale - taxation, labeling, cessation programs, school curricula, entire categories of intervention refined against real outcome data. Loneliness has almost none of that yet. The interventions currently being piloted globally are still early and largely unproven at scale: community connection programs, &#8220;social prescribing&#8221; where doctors refer patients to group activities instead of medication, loneliness screening folded into routine healthcare visits. Promising directions, all of them, and I don&#8217;t think any of them are wrong to try. But they&#8217;re nowhere near the maturity of the interventions available for other conditions carrying comparable mortality risk, which means we&#8217;ve arrived at the uncomfortable moment of knowing, with real epidemiological confidence, exactly how dangerous this is, well before we&#8217;ve figured out what actually works to fix it at the scale the numbers demand.</p>]]></content:encoded></item><item><title><![CDATA[The science of longevity: what actually works versus what's hype]]></title><description><![CDATA[HEALTH & LONGEVITY]]></description><link>https://akasharun.substack.com/p/the-science-of-longevity-what-actually</link><guid isPermaLink="false">https://akasharun.substack.com/p/the-science-of-longevity-what-actually</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Wed, 12 Aug 2026 05:52:49 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!CFSo!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fef6cc146-8f96-4098-a94a-ae67830a482a_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!CFSo!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fef6cc146-8f96-4098-a94a-ae67830a482a_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!CFSo!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fef6cc146-8f96-4098-a94a-ae67830a482a_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!CFSo!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fef6cc146-8f96-4098-a94a-ae67830a482a_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!CFSo!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fef6cc146-8f96-4098-a94a-ae67830a482a_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!CFSo!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fef6cc146-8f96-4098-a94a-ae67830a482a_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!CFSo!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fef6cc146-8f96-4098-a94a-ae67830a482a_1024x559.jpeg" width="1024" height="559" 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/__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fef6cc146-8f96-4098-a94a-ae67830a482a_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!CFSo!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fef6cc146-8f96-4098-a94a-ae67830a482a_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!CFSo!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fef6cc146-8f96-4098-a94a-ae67830a482a_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!CFSo!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fef6cc146-8f96-4098-a94a-ae67830a482a_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Bryan Johnson reportedly spends around $2 million a year on his anti-aging protocol - a full-time clinical team, continuous biomarker monitoring, quarterly MRIs, chef-prepared meals engineered down to the gram. By some outside estimates, a person willing to spend $5,000 to $20,000 over a season can capture roughly 80% of what that $2 million actually delivers. Sit with that ratio for a second, because I think it&#8217;s the single most useful number in the entire longevity conversation: the last 20% of Bryan Johnson&#8217;s protocol costs somewhere between 100 and 400 times more than the first 80%. That&#8217;s not a story about longevity science. That&#8217;s a story about diminishing returns, dressed up as a story about immortality.</p><p>I want to sort this field into three tiers, because I think that&#8217;s the only way to talk about it honestly, and almost nothing in the online longevity conversation actually does the sorting for you before selling you something.</p><p>The first tier is boring, cheap, and has the strongest human evidence of anything discussed here, which is exactly why it gets the least attention relative to how much it actually matters. Cardiorespiratory fitness is about as close to a settled finding as this field has: a 2022 analysis in the British Journal of Sports Medicine found that each one-unit increase in a standard fitness measure called METs was associated with roughly a 13% reduction in all-cause mortality. Not a supplement. Not a biomarker panel. Just being measurably more fit than you currently are, at any starting point, tracks with a real, replicated, large-scale reduction in dying. Resistance training and adequate sleep sit in the same tier - unglamorous, essentially free, and backed by decades of the kind of large observational and interventional evidence that a single celebrity&#8217;s personal protocol will never generate no matter how many biomarkers get tracked.</p><p>The second tier is where the actually interesting scientific uncertainty lives, and it&#8217;s frustratingly split down the middle. Metformin, the decades-old diabetes drug, has more human trial evidence behind it than most of the trendier options - data associating its use with reduced all-cause mortality from cancer and cardiovascular disease, the two biggest aging-related killers. But whether it genuinely extends lifespan in people who don&#8217;t have diabetes, versus simply treating conditions that would otherwise shorten it, remains genuinely unresolved; the trial designed to answer that question directly is still working through the years it needs to produce a real answer. Rapamycin is the mirror image: extraordinarily consistent evidence of lifespan extension - reliably above 10% - across worms, flies, and mice, which is about as strong as preclinical biology gets. But chronic use in humans carries real, documented risks, including recurrent infections and elevated cholesterol, and the human safety trials specifically designed to test it in otherwise healthy older adults are only now reporting their first results. Both drugs are legitimate, serious scientific bets. Neither one is a settled human-lifespan intervention yet, and anyone telling you otherwise is several years ahead of what the actual trial data supports.</p><p>The third tier is where the marketing budget most dramatically outpaces the evidence base, and NAD+ precursors are the clearest example. There is real research showing modest improvements in physical performance measures - grip strength, gait speed - in some older adult trials. There is a vastly larger industry selling these compounds as broad anti-aging nutraceuticals based on a much thinner evidentiary foundation than the marketing implies, riding on genuinely interesting cellular biology that hasn&#8217;t yet translated into the sweeping human outcomes being sold alongside it. Epigenetic clocks, the biological-age tests increasingly used to justify entire protocols, sit in the same tier for a related reason: their accuracy and what they actually measure are still genuinely debated inside the field that invented them, which makes using one person&#8217;s before-and-after clock reading as proof a $2 million-a-year regimen works a fairly weak form of evidence, no matter how compelling the chart looks. A sample size of one, run by someone financially and reputationally invested in the outcome, using a measurement tool whose validity is still an open scientific question, is not a result. It&#8217;s a very expensive anecdote.</p><p>What I take from sorting it this way is that the actual, defensible longevity stack available to almost anyone looks nothing like what gets the engagement online. It&#8217;s exercise, consistently, at a real intensity, for years. It&#8217;s sleep, protected like it matters, because it does. It&#8217;s not smoking, keeping weight in a healthy range, and getting genuinely boring, well-established preventive care instead of a quarterly full-body MRI scan whose downstream anxiety and false-positive rate most of its enthusiastic proponents never mention. The drugs might matter enormously in another decade, once the human trials currently running finish running. The supplements and the biological-age tests, on the current evidence, are mostly buying a feeling of control over a process that, so far, still yields most of its actual returns to the same handful of unglamorous habits it always has.</p>]]></content:encoded></item><item><title><![CDATA[The quiet return of industrial policy across the West]]></title><description><![CDATA[GEOPOLITICS & SOCIETY]]></description><link>https://akasharun.substack.com/p/the-quiet-return-of-industrial-policy</link><guid isPermaLink="false">https://akasharun.substack.com/p/the-quiet-return-of-industrial-policy</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Tue, 11 Aug 2026 05:15:07 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!ztnb!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!ztnb!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!ztnb!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!ztnb!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!ztnb!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!ztnb!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!ztnb!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg" width="1024" height="559" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/f1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:559,&quot;width&quot;:1024,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:132085,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://akasharun.substack.com/i/210707758?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!ztnb!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!ztnb!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!ztnb!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!ztnb!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff1e9c634-8906-4f6e-bff2-6c78d761243d_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Mario Draghi spent the defining stretch of his career as the head of the European Central Bank, an institution whose entire operating philosophy rests on the idea that markets, left alone with sound money and clear rules, allocate capital better than governments do. So it&#8217;s worth sitting with the fact that the same Mario Draghi, in his own 2024 report on European competitiveness, explicitly called for Europe to abandon what he termed its &#8220;small-state mentality&#8221; and build an active, sector-by-sector industrial policy at the EU level. That&#8217;s not a technocrat tweaking a few regulations. That&#8217;s one of the most credible custodians of market orthodoxy in modern European history looking at the data and concluding that the orthodoxy itself had stopped working for the situation Europe is actually in.</p><p>The numbers behind that reversal are large enough that they&#8217;re hard to dress up as anything other than what they are: a return of the state as an active industrial actor, after roughly four decades in which &#8220;the government shouldn&#8217;t pick winners&#8221; was close to unchallenged conventional wisdom across most of the West. The global semiconductor subsidy race alone has pulled in more than $170 billion in public and private commitments. The US CHIPS Act allocates $52.7 billion directly, with the CHIPS Program Office having now committed $38.7 billion of its available funding across 23 recipients and physically disbursed around $11 billion of it against verified construction milestones - real money, moving, against real poured concrete. The European Chips Act aims to mobilize more than &#8364;43 billion, and a follow-up proposal introduced this June would extend state aid eligibility across the entire semiconductor value chain, from raw materials through packaging, rather than just the flagship fabrication plants that got most of the initial attention.</p><p>What I find most telling isn&#8217;t the size of these numbers, though - it&#8217;s how granular the intervention has gotten. This isn&#8217;t a broad tax credit available to any qualifying company. Germany&#8217;s government secured European Commission approval this July for direct, named subsidies to four specific semiconductor facilities: 353 million euros for one plant, 214 million for another, smaller amounts for two more, each approved individually, each tied to a specific company and a specific site. That&#8217;s industrial policy in its most literal, old-fashioned sense - a government looking at a map, deciding which factories in which towns matter strategically, and writing checks accordingly. It&#8217;s precisely the kind of state intervention that European competition law spent decades constraining, now moving through the same institutions that used to police it, because those institutions decided the strategic cost of not doing it had become larger than the market-distortion cost of doing it.</p><p>Defense spending tells the same story from a different angle, and it comes with a specific number that I think explains the whole shift better than any policy paper: of roughly &#8364;75 billion European member states spent on defense procurement in one recent stretch, nearly 80% went to imported weaponry - 63% from the United States alone. Europe wasn&#8217;t under-spending on defense. It was spending plenty, just almost entirely on someone else&#8217;s industrial base, which is a strategic vulnerability that looks a lot like the semiconductor and energy dependencies driving the same reversal elsewhere. Germany&#8217;s own defense spending has since climbed 24% year over year to roughly $114 billion, part of a broader European rearmament push that helped drive global military spending to a record $2.9 trillion. Draghi himself called Germany&#8217;s shift a &#8220;game changer,&#8221; which from the person who spent a career warning against loose fiscal discipline is a genuinely notable choice of words.</p><p>I think the honest way to describe what&#8217;s happening across all of this - chips, defense, critical minerals, energy - is that the West spent roughly forty years treating efficient global markets and national resilience as the same thing, on the theory that the most efficient supplier anywhere in the world was, by definition, good enough to depend on. The last several years of pandemic shocks, war in Ukraine, and open strategic competition with China broke that assumption decisively enough that governments across very different political traditions all arrived at roughly the same conclusion independently: efficiency and resilience are not the same property, and optimizing for one can actively undermine the other. What&#8217;s quiet about this return of industrial policy isn&#8217;t its scale - &#8364;43 billion and $52.7 billion and named subsidies to named factories are not small, quiet numbers. What&#8217;s quiet is the almost complete absence of anyone standing up to explicitly announce the ideological reversal underway. Nobody&#8217;s holding a press conference to say &#8220;we were wrong about markets for forty years.&#8221; They&#8217;re just doing it, one targeted subsidy and one rearmament budget at a time, under the technical language of resilience and de-risking, while the actual scale of the U-turn keeps compounding underneath the vocabulary chosen specifically to make it sound like less of one.</p>]]></content:encoded></item><item><title><![CDATA[How a single app became a geopolitical battleground]]></title><description><![CDATA[GEOPOLITICS & SOCIETY]]></description><link>https://akasharun.substack.com/p/how-a-single-app-became-a-geopolitical</link><guid isPermaLink="false">https://akasharun.substack.com/p/how-a-single-app-became-a-geopolitical</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Mon, 10 Aug 2026 05:29:16 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!ZpM0!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!ZpM0!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!ZpM0!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!ZpM0!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!ZpM0!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!ZpM0!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!ZpM0!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg" width="1024" height="559" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:559,&quot;width&quot;:1024,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:273671,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://akasharun.substack.com/i/210558670?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!ZpM0!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!ZpM0!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!ZpM0!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!ZpM0!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1dc5e20b-e80a-4e92-9cbb-70ebbdb90508_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>On January 22 of this year, a joint venture called TikTok USDS LLC was formally established, closing out a fight that had, by that point, involved an act of Congress, a Supreme Court ruling, at least one brief nationwide shutdown of the app, and a deal reportedly valued around $14 billion. Oracle, Silver Lake, and the Abu Dhabi state investment vehicle MGX collectively took 45% of the new US entity. ByteDance, the original Chinese parent, was pushed down to just under 20%. The rest went to other non-Chinese investors, all arranged specifically so the joint venture could be legally described as &#8220;majority-owned and controlled by United States persons&#8221; - the exact phrase the underlying 2024 law required before TikTok could keep operating in America at all. A dance app that mostly exists to show teenagers other teenagers dancing needed a Supreme Court case and a sovereign wealth fund to keep running. That sentence alone tells you something has genuinely changed about what a consumer app is allowed to be in 2026.</p><p>I think the useful way to understand how a video app got here is to notice that the actual national security worry was never really about the videos. It was about two things sitting underneath them: whether a company ultimately subject to Chinese law could be compelled to hand over the data of roughly 170 million American users, and whether the recommendation algorithm - the actual engine deciding what a huge fraction of a generation sees every day - could be quietly steered by a foreign government to shape what an entire country pays attention to. Both concerns are real, structurally, regardless of whether anyone can point to a specific instance of either one actually happening. That distinction between &#8220;this could theoretically be weaponized&#8221; and &#8220;this has been proven to be weaponized&#8221; sat at the center of the entire fight, and it&#8217;s still sitting there, mostly unresolved, even after the deal closed.</p><p>Here&#8217;s the detail I think undercuts how cleanly this story gets told as &#8220;resolved&#8221;: the new US joint venture isn&#8217;t building its own recommendation algorithm from scratch. It&#8217;s licensing a copy of ByteDance&#8217;s existing algorithm, then retraining it &#8220;from the ground up&#8221; under Oracle&#8217;s oversight. That&#8217;s a meaningfully different thing than replacing the technology, and it&#8217;s exactly the gap Senator Ed Markey has been publicly pressing on since the deal closed - sending letters to both TikTok&#8217;s new US entity and Oracle questioning whether the arrangement actually satisfies the guardrails Congress wrote into law, or just relabels the same underlying system under new corporate ownership. His specific, pointed question - whether a source code review can meaningfully detect algorithmic manipulation baked into a system this complex - is one nobody involved in the deal has given a fully satisfying public answer to. You can restructure who owns the company. Verifying that you&#8217;ve actually severed the technical dependency is a different, much harder problem, and four months after the ink dried, a sitting US senator was still saying publicly that Americans don&#8217;t have enough information to know whether that problem got solved or just renamed.</p><p>What strikes me most, stepping back from the specific mechanics, is how completely unremarkable it&#8217;s become for a consumer app&#8217;s ownership structure to require this level of state involvement. A decade ago, the idea that the US government would force the sale of a social media platform, that the deal would need to survive a constitutional challenge at the Supreme Court, and that a Gulf state&#8217;s sovereign fund would end up as a meaningful equity holder in the outcome - all of that would have read as a wild hypothetical. Now it&#8217;s simply what happened, covered with roughly the same tone as any other large corporate restructuring, because the previous several years of trade wars, chip export controls, and critical mineral fights had already normalized treating major technology platforms as instruments of state power rather than just products. TikTok didn&#8217;t create that shift. It arrived at the exact moment that shift had already happened, which is why an app about lip-syncing and cooking videos ended up as possibly the single most litigated, most legislated, most diplomatically fraught piece of software in recent American history.</p><p>I don&#8217;t think this is the last time this exact fight happens, either - it&#8217;s the template now. Any platform with enough scale, enough data, and enough algorithmic influence over public attention is going to face some version of this question going forward, regardless of what it&#8217;s actually built to do on the surface. The TikTok deal didn&#8217;t settle the underlying tension between global platforms and national security concerns. It just produced the first fully worked example of how that tension gets resolved when a government actually decides to force the issue - through ownership restructuring, through partial technology transfer, through a settlement that satisfies the letter of a law while leaving open, serious questions about whether it satisfies the actual concern the law was written to address. The next platform this happens to, and there will be one, gets to start from this playbook instead of inventing the process from scratch. That&#8217;s the real legacy of the fight, more than any specific clause in the ownership agreement.</p>]]></content:encoded></item><item><title><![CDATA[The demographic cliff: what happens to economies when populations shrink]]></title><description><![CDATA[GEOPOLITICS & SOCIETY]]></description><link>https://akasharun.substack.com/p/the-demographic-cliff-what-happens</link><guid isPermaLink="false">https://akasharun.substack.com/p/the-demographic-cliff-what-happens</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Fri, 07 Aug 2026 04:36:35 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!dxTg!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!dxTg!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!dxTg!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!dxTg!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!dxTg!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!dxTg!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!dxTg!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg" width="1024" height="559" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/cd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:559,&quot;width&quot;:1024,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:228417,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://akasharun.substack.com/i/210168941?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="/__u/substackcdn.com/image/fetch/$s_!dxTg!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!dxTg!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!dxTg!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!dxTg!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcd5cb9f2-f49c-4772-ba40-20ae9e0a3898_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>South Korea&#8217;s active-duty military has shrunk by 20% over the past six years, and it isn&#8217;t because of policy, budget cuts, or a change in strategic doctrine. It&#8217;s because the pool of 20-year-old men eligible for mandatory conscription is running out, having already fallen by more than 130,000 over the past decade. Current projections put active-duty troop strength at roughly 290,000 by 2030, 260,000 by 2035, and as low as 150,000 by 2040 - a country with an actively hostile, nuclear-armed neighbor directly across a heavily militarized border, watching its ability to field a defensive force erode for reasons that have nothing to do with any enemy action. That&#8217;s the demographic cliff stopped being an abstraction. It&#8217;s a country&#8217;s hard power shrinking on a fixed, entirely predictable timeline that nobody can negotiate, legislate, or bomb their way out of.</p><p>The fertility numbers behind that military math are almost hard to believe until you sit with them. South Korea&#8217;s total fertility rate fell from 0.78 births per woman in 2022 to around 0.65 in 2025, with some projections putting it as low as 0.59 this year - meaning the average South Korean woman is having well under one child, in a country where two would be required just to hold the population steady. The country&#8217;s total population is projected to fall from roughly 51.75 million to about 36.22 million, a level not seen since 1977. South Korea officially became a &#8220;super-aged&#8221; society in December 2024, and by some estimates the country&#8217;s total workforce could roughly halve over the next four decades. This isn&#8217;t a forecast contingent on some policy failure. Everyone who will turn 20 in the year 2045 has, definitionally, already been born or not been born. The size of that cohort is already locked in, arithmetically, today.</p><p>Japan is a few decades further down the same road, which makes it the closest thing to a preview available. Its population, sitting at roughly 126 million now, is projected to fall to about 104 million by 2050 and to a genuinely startling 72 million by the end of the century, with annual population drops already exceeding 800,000 people in recent years - functionally, an entire mid-sized city disappearing from the country every year, without a single person leaving. China, despite decades of assuming its scale made it immune to this kind of math, is now losing something like 3 million people a year on net, and demographers increasingly describe the decline as close to irreversible, meaning even a dramatic policy reversal today wouldn&#8217;t meaningfully change the trajectory for a generation, because the smaller cohort of women now in their childbearing years is itself the legacy of decisions made decades ago.</p><p>What I find most instructive is watching Japan try to actually solve this in real time, because both of its major responses are running into the same wall from different directions, and neither is remotely closing the gap. On immigration, a 2019 law opened guest-worker visas across fourteen sectors, healthcare among them, and roughly 60,000 healthcare visas were issued in the first year. That sounds significant until you set it against the actual scale of Japan&#8217;s eldercare labor shortfall, against which 60,000 workers is a rounding error. On automation, Japan has spent years pushing robotics into elder care specifically to sidestep the immigration question entirely - and the research on how that&#8217;s actually gone is genuinely counterintuitive: rather than simply replacing human caregivers, the robots have in practice increased the total number of tasks human staff have to manage, deskilled parts of the caregiving job in ways that made it less attractive to skilled workers, and raised overall costs, all while the actual labor shortage persisted underneath the shiny pilot programs. Two of the most technologically and administratively sophisticated interventions available to a wealthy, well-governed state, deployed for years, and neither has come close to solving the underlying arithmetic problem.</p><p>I think that&#8217;s the part of this story that deserves more attention than it gets: there is currently no demonstrated policy lever, anywhere, that reverses a fertility collapse of this scale once it&#8217;s underway. Cash incentives, expanded parental leave, subsidized childcare, immigration, robotics - countries have tried versions of all of them, and the honest read of the results is that they slow the decline at the margins at best, not reverse it. That&#8217;s a genuinely uncomfortable thing to say plainly, because it implies these countries aren&#8217;t dealing with a solvable policy problem so much as managing an already-locked-in demographic transition, and the actual, harder political conversation - how do you restructure a pension system, a military, an eldercare system, and an entire economic growth model around a permanently smaller and older population - is the one most governments are still avoiding in favor of announcing the next round of baby bonuses that the data already says won&#8217;t move the number enough to matter.</p>]]></content:encoded></item><item><title><![CDATA[Why small countries are becoming surprisingly powerful in a multipolar world]]></title><description><![CDATA[GEOPOLITICS & SOCIETY]]></description><link>https://akasharun.substack.com/p/why-small-countries-are-becoming</link><guid isPermaLink="false">https://akasharun.substack.com/p/why-small-countries-are-becoming</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Thu, 06 Aug 2026 05:49:11 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!Eqxj!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7bec087-296b-4cd6-ac73-7304f80df969_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!Eqxj!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7bec087-296b-4cd6-ac73-7304f80df969_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!Eqxj!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7bec087-296b-4cd6-ac73-7304f80df969_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!Eqxj!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7bec087-296b-4cd6-ac73-7304f80df969_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!Eqxj!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7bec087-296b-4cd6-ac73-7304f80df969_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!Eqxj!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7bec087-296b-4cd6-ac73-7304f80df969_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!Eqxj!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7bec087-296b-4cd6-ac73-7304f80df969_1024x559.jpeg" width="1024" height="559" 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/__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7bec087-296b-4cd6-ac73-7304f80df969_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!Eqxj!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7bec087-296b-4cd6-ac73-7304f80df969_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!Eqxj!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7bec087-296b-4cd6-ac73-7304f80df969_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!Eqxj!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff7bec087-296b-4cd6-ac73-7304f80df969_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Djibouti is a country of roughly a million people, wedged onto a strip of Horn of Africa coastline you&#8217;d struggle to find on an unlabeled map. It currently hosts active military bases from the United States, China, France, Japan, Italy, and Saudi Arabia - rival and allied powers alike, within a few miles of each other, all paying rent to the same small government. Djibouti takes a 20% cut of what it charges those militaries for the privilege and funnels it straight into a sovereign wealth fund it&#8217;s explicitly trying to double within a decade. That&#8217;s not a country caught helplessly between great powers. That&#8217;s a country that figured out it&#8217;s sitting on the one asset none of those great powers can build for themselves - a specific stretch of coastline at the mouth of the Red Sea - and started billing everyone who needs it, simultaneously, without ever having to choose a side.</p><p>That&#8217;s the pattern I think explains why small and mid-sized states are having a genuinely disproportionate moment right now, and it isn&#8217;t a fluke of any one region. During the Cold War, and for a good stretch of the unipolar decades after it, being small mostly meant being told to pick a patron and stay picked - Cuba orbits Moscow, most of Latin America orbits Washington, and your leverage as a small state was basically whatever your patron decided to grant you in exchange for loyalty. A world with one dominant power, or two clearly competing ones, doesn&#8217;t have much room for a small country to extract value from being wanted by both sides, because usually only one side is seriously bidding.</p><p>A genuinely multipolar world without a clear center changes that math completely, because now there are multiple powers who each need you more than they need each other to lose you to a rival. The Belfer Center&#8217;s own list of the world&#8217;s current middle powers - Brazil, Egypt, India, Indonesia, Kazakhstan, Nigeria, Pakistan, Saudi Arabia, Singapore, South Africa, Turkey, the UAE, Vietnam - reads less like a ranking of raw strength and more like a list of countries that have each found a specific axis on which the big powers are competing to court them rather than push them around.</p><p>Qatar is probably the cleanest example of turning that dynamic into actual leverage rather than just surviving inside it. A country of under three million people has become the indispensable back channel for negotiations the great powers themselves can&#8217;t run directly - mediating ceasefire talks, hosting political offices for groups that Washington won&#8217;t formally engage but needs someone to talk to anyway, all while hosting a major US military base and maintaining serious commercial ties with China at the same time. Qatar didn&#8217;t get that role from military strength or population. It got it by making itself useful to every side simultaneously, in a way that would actually cost each of those sides something real if Qatar stopped being available to play that role.</p><p>Singapore runs a quieter version of the same hedge: US naval and air assets rotate through Changi, while Singapore remains deeply integrated into China&#8217;s Belt and Road infrastructure lending and trade networks. Neither relationship is a secret, neither side seriously demands Singapore drop the other, and Singapore&#8217;s actual strategy is to make itself valuable enough to both that neither one can afford to force the choice. That only works, notably, in a world where no single power is dominant enough to make that demand and have it stick - which is precisely the world we&#8217;re currently in.</p><p>Capital is its own version of this leverage, and it doesn&#8217;t require geography at all. Norway&#8217;s sovereign wealth fund sits at roughly $2.2 trillion - larger than the entire GDP of Spain - accumulated by a country of about 5.5 million people that simply saved its oil revenue for decades instead of spending it. That fund gives Norway a genuine seat at tables its population size would never earn it on its own, because money moving at that scale gets courted by everyone regardless of the flag flying over the country that controls it. Djibouti is explicitly trying to build a smaller version of exactly that same asset, using base-lease revenue instead of oil, which tells you the model is now something small states actively study and copy rather than stumble into by accident.</p><p>None of this makes small states powerful in the way a large military or a large economy is powerful - Djibouti can&#8217;t project force, Qatar can&#8217;t out-produce a major economy, and any of these countries could, in theory, still get steamrolled if a great power decided the cost was worth it. What&#8217;s actually changed is that the cost of steamrolling a useful small state has gone up, because in a genuinely multipolar world, mistreating the mediator, the base host, or the capital pool doesn&#8217;t just cost you that one relationship - it costs you standing with every other power watching how you treat the small states that all of you currently need something from. That&#8217;s a fundamentally different position than the Cold War client-state model, and I think it&#8217;s the real story sitting underneath most of the individual headlines about any one of these countries: smallness stopped being pure vulnerability the moment more than one great power needed something only the small state could offer.</p>]]></content:encoded></item><item><title><![CDATA[The new arms race nobody's talking about: critical minerals]]></title><description><![CDATA[GEOPOLITICS & SOCIETY]]></description><link>https://akasharun.substack.com/p/the-new-arms-race-nobodys-talking</link><guid isPermaLink="false">https://akasharun.substack.com/p/the-new-arms-race-nobodys-talking</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Wed, 05 Aug 2026 05:42:36 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!eSOU!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fec9433cd-4f64-4cb3-866f-1ca49654758e_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!eSOU!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fec9433cd-4f64-4cb3-866f-1ca49654758e_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!eSOU!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fec9433cd-4f64-4cb3-866f-1ca49654758e_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!eSOU!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fec9433cd-4f64-4cb3-866f-1ca49654758e_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!eSOU!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fec9433cd-4f64-4cb3-866f-1ca49654758e_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!eSOU!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fec9433cd-4f64-4cb3-866f-1ca49654758e_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!eSOU!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fec9433cd-4f64-4cb3-866f-1ca49654758e_1024x559.jpeg" width="1024" height="559" 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/__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fec9433cd-4f64-4cb3-866f-1ca49654758e_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!eSOU!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fec9433cd-4f64-4cb3-866f-1ca49654758e_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!eSOU!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fec9433cd-4f64-4cb3-866f-1ca49654758e_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!eSOU!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fec9433cd-4f64-4cb3-866f-1ca49654758e_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>On January 1 of this year, a new layer of Chinese export controls on rare earths and related materials took effect, and within months, prices for some of the affected materials had risen sixfold. European firms trying to secure export licenses were getting approved at a rate below 25%. By May, exports of yttrium, dysprosium, and terbium - unglamorous names that happen to sit inside your phone, your car, your wind turbine, and a meaningful share of modern weapons systems - were running roughly 50% below where they sat before the controls began. No ships were sunk. No borders were crossed. And yet this is, functionally, an arms race, fought with export licenses and mineral stockpiles instead of missiles, and I think it&#8217;s the most consequential geopolitical story most people aren&#8217;t actually following in real time, because it&#8217;s boring in exactly the way that makes it easy to ignore.</p><p>The reason China can do this at all is a distinction that gets flattened in most coverage: China doesn&#8217;t actually hold most of the world&#8217;s rare earth reserves. It holds something like 35% of them. What it holds instead is roughly 90% of global rare earth processing capacity - the far less glamorous, far more capital-intensive, far harder-to-replicate step of turning raw ore into usable refined material. It&#8217;s the same story with tungsten, where China controls about 80% of supply, and antimony, where it&#8217;s closer to 60%. The lesson embedded in those numbers is one Western industrial policy spent decades ignoring: whoever controls the refining chokepoint controls the resource, regardless of where the dirt actually came out of the ground. You can mine cobalt in a dozen countries. If only one country can turn it into something usable at scale, that country holds the leverage, full stop.</p><p>What makes this genuinely feel like an arms race rather than an ordinary trade dispute is how explicitly both sides are now treating it as a matter of national security rather than commerce. The current restrictions are technically paused under a truce struck in October 2025 - but that truce is set to lapse again around October of this year, which means there&#8217;s an actual clock running on whether this whole cycle repeats, and everyone involved knows the date on the calendar. That&#8217;s not how ordinary supply and demand disputes work. That&#8217;s how arms control agreements work, complete with an expiration date both sides are quietly preparing for in advance.</p><p>And prepare is exactly what Washington has started doing, in a way that represents a genuinely striking reversal of decades of stated American economic philosophy. The Pentagon has committed roughly $2 billion specifically to rebuilding a national defense mineral stockpile - buying up to $500 million in cobalt, about $245 million in antimony, roughly $100 million in tantalum, tens of millions more in scandium - essentially reconstructing the kind of strategic materials reserve that fell out of fashion once the Cold War ended and &#8220;just buy it on the global market&#8221; became the default assumption of nearly every Western economy. A broader federal initiative, reportedly nicknamed Project Vault, is targeting more than fifty minerals for accelerated domestic mining, processing, and even deep-sea extraction. MP Materials, which operates the only active rare earth mine currently running in the US, is now effectively a Pentagon-backed national champion, building out magnet manufacturing with direct federal investment behind it.</p><p>I think the honest way to describe what&#8217;s happening is that the United States, in order to compete with a state-directed rival on state-directed terms, is quietly becoming considerably more state-directed itself - picking specific companies, guaranteeing specific purchases, subsidizing specific facilities, all in the name of resilience rather than efficiency. That&#8217;s not a criticism, exactly; it might be the correct response to the actual situation. But it&#8217;s worth naming plainly, because it represents a real abandonment of the free-market assumptions that shaped American industrial policy for the previous several decades, driven entirely by the discovery that pure market efficiency and national security turned out to be pointing in opposite directions on this specific set of materials.</p><p>The part I find most underappreciated in all of this is just how deep the current dependency runs on the other side of the ledger. More than 80% of European companies reportedly still depend on Chinese supply chains for critical minerals, and building genuinely independent alternative supply chains is estimated to take 20 to 30 years - not because the ore isn&#8217;t out there somewhere else in the world, but because building refining capacity at the scale China built it over the past two decades is an industrial undertaking on the scale of building an entire new energy grid, and nobody skips that queue with a subsidy check alone, however large. Which means whatever happens when this October&#8217;s truce deadline arrives, the leverage imbalance underneath it isn&#8217;t disappearing on any timeline shorter than a generation. Stockpiles and new mines buy time and reduce specific vulnerabilities. They don&#8217;t undo two decades of processing infrastructure built somewhere else, and I don&#8217;t think most of the coverage treating this as a story that gets &#8220;resolved&#8221; by a single trade deal or a single new mine has actually reckoned with how long that particular clock really runs.</p>]]></content:encoded></item><item><title><![CDATA[Why housing got so unaffordable - and who benefits from keeping it that way]]></title><description><![CDATA[ECONOMICS & FUTURE OF WORK]]></description><link>https://akasharun.substack.com/p/why-housing-got-so-unaffordable-and</link><guid isPermaLink="false">https://akasharun.substack.com/p/why-housing-got-so-unaffordable-and</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Tue, 04 Aug 2026 11:34:05 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!eDvv!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9952e00-73c6-4036-87b7-fa840cf0451b_1024x559.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!eDvv!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9952e00-73c6-4036-87b7-fa840cf0451b_1024x559.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!eDvv!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9952e00-73c6-4036-87b7-fa840cf0451b_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!eDvv!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9952e00-73c6-4036-87b7-fa840cf0451b_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!eDvv!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9952e00-73c6-4036-87b7-fa840cf0451b_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!eDvv!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9952e00-73c6-4036-87b7-fa840cf0451b_1024x559.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!eDvv!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9952e00-73c6-4036-87b7-fa840cf0451b_1024x559.jpeg" width="1024" height="559" 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/__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9952e00-73c6-4036-87b7-fa840cf0451b_1024x559.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!eDvv!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9952e00-73c6-4036-87b7-fa840cf0451b_1024x559.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!eDvv!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9952e00-73c6-4036-87b7-fa840cf0451b_1024x559.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!eDvv!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9952e00-73c6-4036-87b7-fa840cf0451b_1024x559.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>A family earning the actual national median income needs about 32% of that income just to cover the mortgage on a median-priced new home this year. A family earning half the median - which describes a genuinely enormous share of the country - would need 65% of its earnings to carry the same payment. Most housing economists consider anything above 30% &#8220;cost-burdened.&#8221; Half the households in America aren&#8217;t stretched by this math. They&#8217;re mathematically excluded by it, full stop, before a single conversation about lifestyle or budgeting even starts.</p><p>The ratio behind that number tells you this isn&#8217;t a temporary rough patch. The national home-price-to-income ratio sits at roughly 5.08 right now, against a level around 2.6 that&#8217;s generally considered the ceiling for genuine affordability. In 1980, that ratio was 3.65. Since then, home prices have climbed 551% while incomes climbed 373% - a gap that compounds every single year it persists, which is exactly what it&#8217;s done for well over four decades running. Not one of the fifty largest US metro areas currently clears the affordability threshold. Not one.</p><p>So who gets blamed, and who actually benefits - because those turn out to be two different lists, and the mismatch between them is the most interesting part of this whole story. The popular villain, the one that generates the angriest headlines and the most satisfying targets, is the Wall Street landlord: private equity firms and institutional investors buying up single-family homes by the thousand, pricing out ordinary families who can&#8217;t compete with an all-cash corporate bid. It&#8217;s a real phenomenon, and this year it finally produced real federal legislation - a new housing law barring the largest institutional investors, defined as those already owning 350 or more single-family homes, from buying additional ones. Here&#8217;s the number that undercuts the entire premise of that fight, though: those mega-investors collectively own about 0.66% of the nation&#8217;s single-family homes. Two-thirds of one percent. You could confiscate every single one of those homes and redistribute them tomorrow and barely move the affordability needle, because the villain everyone agreed to be furious at was never large enough to be the actual cause.</p><p>The much bigger, much less politically satisfying culprit is zoning - specifically, the accumulated decades of local land-use rules that make it flatly illegal to build the kind of housing that used to keep prices in check. Multi-family buildings, duplexes, smaller starter homes on smaller lots: all restricted or banned outright across huge swaths of the most expensive metro areas, not by any single dramatic decision but by thousands of small, boring zoning votes stacked up since the mid-twentieth century, most of them originally justified by concerns that had nothing to do with housing supply. The supply math shows up exactly where you&#8217;d expect: the number of homes on the market affordable to a household earning $75,000 or less has fallen 60% compared to just a few years earlier, and the stock of rental units renting for under $1,000 a month has shrunk by roughly 7 million units over the past decade, even as new rental construction kept getting built - just concentrated almost entirely in higher-rent categories, because that&#8217;s what current zoning and financing incentives reward building.</p><p>This year&#8217;s new federal housing law actually leans into that harder truth more than its investor-ban headline suggests: it ties federal infrastructure and transportation funding to local zoning reform, requiring municipalities to show real commitment to increasing residential density if they want the money. That&#8217;s a genuinely significant lever, because it attacks the actual mechanism - artificial supply restriction - rather than the more visible but smaller-scale investor story. It&#8217;s also the provision that will generate a fraction of the news coverage the investor ban gets, because &#8220;we tied your highway funding to your zoning code&#8221; doesn&#8217;t produce the same clean villain that &#8220;we stopped hedge funds from buying houses&#8221; does.</p><p>Which gets at the actual answer to &#8220;who benefits from keeping it this way,&#8221; and it&#8217;s an uncomfortable one precisely because it&#8217;s not a distant corporate villain - it&#8217;s existing homeowners, as a voting bloc, defending the value of the asset most of them hold the majority of their net worth in. Every zoning restriction that blocks a new apartment building or a duplex conversion in an existing single-family neighborhood is, among other things, a wealth-preservation mechanism for the people who already own there. Local governments benefit too, in a narrower way: keeping housing scarce and expensive keeps property tax revenue high without expanding the number of students, cars, or service demands the town has to fund. None of that requires anyone to be malicious. It requires ordinary people voting in their own financial self-interest at the local zoning-board level, repeated across thousands of towns for decades, which is a far less satisfying story than a hedge fund villain but a far more accurate one - and far harder to build a coalition against, because the people benefiting from the status quo aren&#8217;t a distant institution. They&#8217;re your neighbors, at the zoning meeting, defending the value of their own house.</p>]]></content:encoded></item><item><title><![CDATA[De-dollarization: is the world really moving away from the dollar?]]></title><description><![CDATA[ECONOMICS & FUTURE OF WORK]]></description><link>https://akasharun.substack.com/p/de-dollarization-is-the-world-really</link><guid isPermaLink="false">https://akasharun.substack.com/p/de-dollarization-is-the-world-really</guid><dc:creator><![CDATA[Aakash Arun]]></dc:creator><pubDate>Tue, 04 Aug 2026 05:41:13 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!dbNL!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F325c81f6-a661-4c26-89c6-37d024c3a3fd_1024x572.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="/__u/substackcdn.com/image/fetch/$s_!dbNL!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F325c81f6-a661-4c26-89c6-37d024c3a3fd_1024x572.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="/__u/substackcdn.com/image/fetch/$s_!dbNL!, /__u/akasharun.substack.com/w_424, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F325c81f6-a661-4c26-89c6-37d024c3a3fd_1024x572.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!dbNL!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F325c81f6-a661-4c26-89c6-37d024c3a3fd_1024x572.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!dbNL!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F325c81f6-a661-4c26-89c6-37d024c3a3fd_1024x572.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!dbNL!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_webp, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F325c81f6-a661-4c26-89c6-37d024c3a3fd_1024x572.jpeg 1456w" sizes="100vw"><img src="/__u/substackcdn.com/image/fetch/$s_!dbNL!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F325c81f6-a661-4c26-89c6-37d024c3a3fd_1024x572.jpeg" width="1024" height="572" 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/__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F325c81f6-a661-4c26-89c6-37d024c3a3fd_1024x572.jpeg 424w, /__u/substackcdn.com/image/fetch/$s_!dbNL!, /__u/akasharun.substack.com/w_848, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F325c81f6-a661-4c26-89c6-37d024c3a3fd_1024x572.jpeg 848w, /__u/substackcdn.com/image/fetch/$s_!dbNL!, /__u/akasharun.substack.com/w_1272, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F325c81f6-a661-4c26-89c6-37d024c3a3fd_1024x572.jpeg 1272w, /__u/substackcdn.com/image/fetch/$s_!dbNL!, /__u/akasharun.substack.com/w_1456, /__u/akasharun.substack.com/c_limit, /__u/akasharun.substack.com/f_auto, /__u/akasharun.substack.com/q_auto:good, /__u/akasharun.substack.com/fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F325c81f6-a661-4c26-89c6-37d024c3a3fd_1024x572.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The dollar&#8217;s share of global foreign exchange reserves dropped below 57% last year for the first time since 1995, down from roughly 72% at the start of this century. That&#8217;s the number every de-dollarization headline leads with, and it&#8217;s real. Here&#8217;s the number those same headlines almost never include: roughly 92% of the most recent quarter&#8217;s decline came from currency valuation effects - the dollar itself weakening against other currencies, which mechanically shrinks its share of a reserve basket without any central bank actually selling a single dollar-denominated bond. Central banks, on net, barely touched their dollar holdings in the period that produced the scariest chart. The dollar didn&#8217;t get abandoned. It got a weaker exchange rate, and the math did the rest.</p><p>I think that distinction is the whole story, honestly, and almost nobody selling the de-dollarization narrative wants to sit with it, because it&#8217;s a much less exciting thesis than &#8220;the dollar is collapsing.&#8221; The actual, defensible claim is narrower and slower: the dollar&#8217;s decades-long dominance is eroding gradually, through real structural shifts happening mostly outside the headlines, while the loud, politically dramatic version of the story - a rival BRICS currency toppling the dollar outright - keeps getting announced and keeps failing to materialize.</p><p>Start with the part that&#8217;s genuinely real. Central banks bought more than 1,000 tonnes of gold in each of 2022, 2023, and 2024 - the heaviest sustained official gold buying since the 1950s - before that pace moderated to roughly 863 tonnes last year. BRICS-aligned nations now hold about 17.4% of global gold reserves, up from 11.2% just a few years ago. That&#8217;s not rhetoric. That&#8217;s central banks quietly building a hedge against a financial system where the dollar&#8217;s dominance also means exposure to US sanctions policy, which is precisely the lesson several governments drew from watching Russia&#8217;s reserves get frozen. Gold doesn&#8217;t get frozen by an executive order. That&#8217;s the actual, coherent logic driving the real portion of this trend, and it has nothing to do with any currency replacing the dollar - it&#8217;s diversification, not defection.</p><p>The payments infrastructure shift is real too, and more interesting than the gold story because it&#8217;s a genuinely new rail being built in parallel rather than a reserve reshuffling. China&#8217;s Cross-Border Interbank Payment System processed roughly $270 billion in a single recent month, connecting nearly 200 direct participants and over 1,500 indirect ones across more than 100 countries, and its average daily transaction value has been climbing sharply, up roughly 50% month over month in one recent stretch. That&#8217;s a genuine alternative settlement network gaining real usage, not a hypothetical one. And yet - the yuan itself, measured by SWIFT payment share, sits at just over 3% of global payments by value, in fifth place behind the dollar, euro, pound, and yen. Beijing&#8217;s own preferred framing puts the yuan third by a different measure that counts activity outside SWIFT entirely, which tells you something about how much this comes down to whose ruler you&#8217;re using. Either way, the actual number is small. A genuinely useful new pipe is being built. It is not yet carrying anything close to dollar-scale volume, and measured against the dollar&#8217;s roughly half of global SWIFT payment value, it isn&#8217;t close.</p><p>Now the part that&#8217;s mostly theater. A BRICS common currency was floated by Brazil&#8217;s president back in 2023, generated a wave of coverage, and has gone essentially nowhere since - not because the politics cooled, but because the economics were always closer to impossible than difficult. A shared currency across countries with wildly different inflation rates, capital controls, and trade balances requires the kind of institutional integration the eurozone spent decades building with far more aligned economies, and BRICS has shown no appetite for building anything like that machinery. What&#8217;s actually happened instead is member countries settling more bilateral trade in their own national currencies, rupee-for-rial, yuan-for-ruble, which is a real and meaningful shift in trade mechanics but is a completely different, much smaller claim than &#8220;a new reserve currency is coming.&#8221; The US response to the currency-that-isn&#8217;t-really-being-built has nonetheless been loud: a repeated threat of tariffs as high as 100% on BRICS members who move to challenge dollar dominance, aimed squarely at a project that, on the evidence, was never close to real. That&#8217;s two governments&#8217; worth of political theater responding to each other, largely detached from the actual, boring, gradual reserve diversification quietly happening underneath both of their speeches.</p><p>So is the world moving away from the dollar? Yes, at the pace continents move - a few percentage points of reserve share over a quarter century, some gold accumulated as insurance, a payments rail being built that carries a small but growing fraction of global settlement. Is the dollar in any near-term danger of losing its position as the world&#8217;s dominant reserve and settlement currency? No, not remotely, and the data behind the scariest headlines mostly shows exchange-rate arithmetic rather than an exodus. Both of those sentences are true simultaneously, which is exactly the kind of nuanced, unsatisfying answer that doesn&#8217;t generate the clicks either the de-dollarization enthusiasts or the dollar triumphalists are chasing.</p>]]></content:encoded></item></channel></rss>