<?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[John M Sellers]]></title><description><![CDATA[My work focuses on how uncertainty in human lifespan, driven by advances in biotechnology, interacts with inflation and long-duration investment planning in ways that existing macro frameworks do not fully account for.]]></description><link>https://www.johnmsellers.net</link><image><url>https://substackcdn.com/image/fetch/$s_!vp2s!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd126bfef-9cd4-462f-96c3-75d55589e4dc_608x608.png</url><title>John M Sellers</title><link>https://www.johnmsellers.net</link></image><generator>Substack</generator><lastBuildDate>Thu, 07 May 2026 01:17:29 GMT</lastBuildDate><atom:link href="https://www.johnmsellers.net/feed" rel="self" type="application/rss+xml"/><copyright><![CDATA[John M Sellers]]></copyright><language><![CDATA[en]]></language><webMaster><![CDATA[johnmsellers@substack.com]]></webMaster><itunes:owner><itunes:email><![CDATA[johnmsellers@substack.com]]></itunes:email><itunes:name><![CDATA[John M Sellers]]></itunes:name></itunes:owner><itunes:author><![CDATA[John M Sellers]]></itunes:author><googleplay:owner><![CDATA[johnmsellers@substack.com]]></googleplay:owner><googleplay:email><![CDATA[johnmsellers@substack.com]]></googleplay:email><googleplay:author><![CDATA[John M Sellers]]></googleplay:author><itunes:block><![CDATA[Yes]]></itunes:block><item><title><![CDATA[Lifespan Inflation: The Case for Deflationary Assets]]></title><link>https://www.johnmsellers.net/p/lifespan-inflation-the-case-for-deflationary</link><guid isPermaLink="false">https://www.johnmsellers.net/p/lifespan-inflation-the-case-for-deflationary</guid><dc:creator><![CDATA[John M Sellers]]></dc:creator><pubDate>Wed, 21 Jan 2026 15:28:03 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!vp2s!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd126bfef-9cd4-462f-96c3-75d55589e4dc_608x608.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>This paper articulates the potential for advancements in medicine that extend lifespan to amplify the effects of inflation and how deflationary assets such as Bitcoin may help mitigate these effects over long time horizons. The novel concept of Lifespan Inflation is also introduced to showcase lifetime inflation costs as lifespan is extended.</p><div class="file-embed-wrapper" data-component-name="FileToDOM"><div class="file-embed-container-reader"><div class="file-embed-container-top"><image class="file-embed-thumbnail-default" src="https://substackcdn.com/image/fetch/$s_!0Cy0!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack.com%2Fimg%2Fattachment_icon.svg"></image><div class="file-embed-details"><div class="file-embed-details-h1">Lifespan Inflation The Case For Deflationary Assets</div><div class="file-embed-details-h2">161KB &#8729; PDF file</div></div><a class="file-embed-button wide" href="https://johnmsellers.substack.com/api/v1/file/c8ef5128-167d-4500-8851-90fad2f9d0b9.pdf"><span class="file-embed-button-text">Download</span></a></div><a class="file-embed-button narrow" href="https://johnmsellers.substack.com/api/v1/file/c8ef5128-167d-4500-8851-90fad2f9d0b9.pdf"><span class="file-embed-button-text">Download</span></a></div></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://www.johnmsellers.net/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://www.johnmsellers.net/subscribe?"><span>Subscribe now</span></a></p><p> </p><div class="subscription-widget-wrap-editor" data-attrs="{&quot;url&quot;:&quot;https://www.johnmsellers.net/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe&quot;,&quot;language&quot;:&quot;en&quot;}" data-component-name="SubscribeWidgetToDOM"><div class="subscription-widget show-subscribe"><div class="preamble"><p class="cta-caption">Thanks for reading! Subscribe for free to receive new posts and support my work.</p></div><form class="subscription-widget-subscribe"><input type="email" class="email-input" name="email" placeholder="Type your email&#8230;" tabindex="-1"><input type="submit" class="button primary" value="Subscribe"><div class="fake-input-wrapper"><div class="fake-input"></div><div class="fake-button"></div></div></form></div></div>]]></content:encoded></item></channel></rss>