LEVITY

Peter Ottsjö

LEVITY is a podcast offering high-quality, science-informed editorial content focused on aging science and radical life extension. This includes discussions on lifestyle, biotechnology, ethical considerations of life extension, healthcare innovations, research breakthroughs and the role artificial intelligence might play. Our mission is to explore and communicate the scientific and societal pathways toward solving aging. Hosted on Acast. See acast.com/privacy for more information.

  1. 16 DEC.

    #37 The Anti-Catastrophe League

    Tom Ough tells us about the Big Things that may end humanity - and what we can do and in some cases have done to prevent these. Did you know that if all the risks, the one that is most likely to end you is aging? What are we doing to stop aging? Tom is a journalist and writer who is currently Senior Editor at UnHerd, a London‑based online magazine of culture and opinion. After several years working at The Telegraph, he moved into research on global catastrophic risks and wrote a nonfiction book titled The Anti‑Catastrophe League about individuals and efforts to prevent humanity’s extinction, and he also co‑hosts the Anglofuturism podcast. -- IN THIS EPISODE WE LEARN -- Why aging itself can be understood as a catastrophic risk, and what it would mean to treat it with the same seriousness as other existential threats. What it would actually take to detect, deflect, or survive an asteroid impact. Why space expansion and Mars are a part of long-term civilizational resilience. Why some catastrophic risks may be overestimated, and how to think more clearly about climate change relative to other existential threats. What we know about super-volcanoes, why they’re rare but devastating, and why preparedness matters despite uncertainty. How nuclear war remains a central catastrophic risk, and why deterrence, miscalculation, and escalation still deserve serious attention. How to think about AI risk, what distinguishes it from past technological threats, and why uncertainty makes governance difficult. What p(doom) means, why people disagree so strongly about it, and how probabilities shape policy and public discourse. Who typically gravitates toward anti-catastrophe thinking, and what motivates people to focus on low-probability, high-impact risks. What Anglo-futurism is. 🗞️ SUBSCRIBE to the LEVITY newsletter: reachlevity.com/subscribe Get all LEVITY DeSci content here: reachlevity.com/t/desci (sorry about the wrong link in the episode) 📕 Check out Patrick's book: https://mitpress.mit.edu/9780262543163/the-case-against-death/ 📗 Check out Peter's book (only available in Swedish): https://www.adlibris.com/sv/bok/evigt-ung-min-och-manniskans-drom-om-ododligheten-9789179652524 ----- Show notes for this episode will be available soon after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com/subscribe LEVITY is co-hosted by Patrick Linden, philosopher and author, and Peter Ottsjö, journalist and author. Hosted on Acast. See acast.com/privacy for more information.

    45 min
  2. 2 DEC.

    #36 How crypto is sparking a longevity frenzy

    Today we’re diving into one of the strangest and most ambitious ideas in longevity: using crypto trading to fund real-time lifespan experiments. Benji Leibowitz, founder of pump.science, joins us to explain how decentralized science works, why tokens can finance studies in worms, flies and mice, and what happens when a single post on X suddenly turns Metformin into a viral experiment. That intervention, by the way, is being spearheaded by LEVITY friend Linus Petersson, founder of the Swedish Longevity Cluster, who also joins the discussion. In this episode we announce our new collaboration with pump.science. For now, that means they’ll contribute written content to the LEVITY newsletter - and later we may explore a dedicated Youtube format together. More info here: https://reachlevity.com/p/desci-is-exploding-we-re-partnering-with-pump-science-to-help-you-follow-it And check out pump.science's first post here: https://reachlevity.com/p/the-most-radical-idea-in-longevity-right-now Key highlights in this episode: – How pump.science turns attention and trading volume into funding for worm, fly, and mouse experiments. – Why decentralized science emerged, and what problems in traditional science it tries to fix. – What tokens, smart contracts, and DAOs actually mean in practice. – Why Solana, not Ethereum, underpins the system. – How real-time experimental data (like fly racing) could change how we evaluate longevity interventions. ----- 🗞️ SUBSCRIBE to the LEVITY newsletter: reachlevity.com/subscribe Get all LEVITY DeSci content here: reachlevity.com/t/desci (sorry about the wrong link in the episode) 📕 Check out Patrick's book: https://mitpress.mit.edu/9780262543163/the-case-against-death/ 📗 Check out Peter's book (only available in Swedish): https://www.adlibris.com/sv/bok/evigt-ung-min-och-manniskans-drom-om-ododligheten-9789179652524 ----- Show notes for this episode will be available soon after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com/subscribe LEVITY is co-hosted by Patrick Linden, philosopher and author, and Peter Ottsjö, journalist and author. CHAPTERS 00:00 Intro – How crypto could fund longevity & Pump Science × LEVITY 05:14 DeSci 101 – fixing broken incentives in science 07:00 Benji’s origin story: lucid dreams, superheroes & cancer genomics 08:45 Discovering crypto & using incentives to fix healthcare 15:52 What’s broken in science funding – and why DeSci might help 30:20 Is crypto just belief? Money, gold and “Ponzi scheme” fears 37:44 Linus Petersson joins + crypto glossary (tokens, smart contracts, NFTs) 59:18 Vitalik’s retweet, 40× price spike & $14k for Linus’s experiments 1:10:24: How to “play”: exchange accounts, Phantom wallet & buying a token 1:17:50: Why does the website look like a retro video game forum? 1:20:53 Network state for not dying – community, human trials & products 1:27:45 Why scientists are skeptical & how to recruit labs and students 1:32:15 Kings of the pill & the coming longevity leaderboard 1:39:59 Skepticism vs optimism, call to action & book recommendations 🗞️ SUBSCRIBE to the LEVITY newsletter: reachlevity.com/subscribe Get all LEVITY DeSci content here: reachlevity.com/t/desci (sorry about the wrong link in the episode) 📕 Check out Patrick's book: https://mitpress.mit.edu/9780262543163/the-case-against-death/ 📗 Check out Peter's book (only available in Swedish): https://www.adlibris.com/sv/bok/evigt-ung-min-och-manniskans-drom-om-ododligheten-9789179652524 ----- Show notes for this episode will be available soon after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com/subscribe LEVITY is co-hosted by Patrick Linden, philosopher and author, and Peter Ottsjö, journalist and author. Hosted on Acast. See acast.com/privacy for more information.

    1 tim 48 min
  3. #35 The Anti-Aging Uprising: Felix Werth’s Political Attack on Death Itself

    11 NOV.

    #35 The Anti-Aging Uprising: Felix Werth’s Political Attack on Death Itself

    Valuable time is being lost because there is not enough funding for science with real life-extending potential. No major political party is promising to address aging, even though aging harms and kills more people than anything else. Most people—and most leaders—still do not understand that aging is both a problem and something that can be solved through science. We need a political movement that demands action and insists that something be done to save our lives. And this is where this episode's guest comes in. Felix Werth is the founder and chairman of the German Party for Rejuvenation Research — a political movement dedicated to accelerating scientific progress in regenerative medicine and longevity. Originally trained in biochemistry, Werth founded the party in 2015 (then called the Party for Health Research) to push for greater public investment in research aimed at combating aging-related diseases. Through his activism, Werth has helped bring the topic of longevity and healthy life extension into the political conversation in Germany and across Europe. In this episode you'll learn more about: The longevity scene in GermanyHow to start a longevity partyHow to get the message outA dating site for the longevity communityUsing AI to solve within SENS CHAPTERS 00:00 Introduction 01:08 Berlin and the global longevity community 05:20 Who is Felix werth and why did he start the longevity party? 15:00 How he started the party 21:49 The public's reaction 27:16 Why change the message from health to longevity? 32:50 Message strategy: posters and videos 34:34 Funding issues 39:20 Campaign video 41:50 Dating site for longevity people 44:45 Does Felix recommend forming a political party? 54:20 What is the optimal outcome for the party? 59:00 Is there any support for longevity among the German elite and government? 01:04:20 Using AI to solve aging within the SENS approach 01:10:16 Winning aging hacking contest with the West-Coast Vectors 01:16:00 Using de-sci for funding, Pump-Science 01:23:00 How do you keep in shape? 01:24:29 Do you do any extreme risk-avoidance? 01:25:22 Three good books 🗞️ SUBSCRIBE to the LEVITY newsletter: reachlevity.com/subscribe Get all LEVITY DeSci content here: reachlevity.com/t/desci (sorry about the wrong link in the episode) 📕 Check out Patrick's book: https://mitpress.mit.edu/9780262543163/the-case-against-death/ 📗 Check out Peter's book (only available in Swedish): https://www.adlibris.com/sv/bok/evigt-ung-min-och-manniskans-drom-om-ododligheten-9789179652524 ----- Show notes for this episode will be available soon after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com/subscribe LEVITY is co-hosted by Patrick Linden, philosopher and author, and Peter Ottsjö, journalist and author. Hosted on Acast. See acast.com/privacy for more information.

    1 tim 25 min
  4. 28 OKT.

    #34 Biomarkers of aging: How close are we, really? - A conversation with Sara Hägg

    Sara Hägg, PhD is an associate professor at Karolinska Institutet, where she leads the Molecular Epidemiology of Aging Group. Her work focuses on human biomarkers of aging - especially biological age “clocks” built from epigenetic, proteomic, and metabolomic data - and on turning Nordic registry resources into clinically useful aging measures. In this episode: * What biological/epigenetic age clocks actually measure (and what they don’t) * Accuracy, error bars, and why clocks aren’t clinic-ready yet * Epigenetic vs. proteomic vs. metabolomic clocks - strengths and trade-offs * Organ-specific clocks (liver, ovary, kidney) and what they reveal * Why uncertainty spikes at life transitions; menopause as a natural “stress test” * PC (principal-component) clocks and noise reduction * Nordic registry & Swedish Twin Registry advantages; UK Biobank use * Direct-to-consumer tests: interpreting results and common pitfalls * AI’s role in building/validating clocks and handling uncertainty * What would move the field fastest (data, standards, trials) and where Sweden stands Show notes for this episode will be available after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com LEVITY is co-hosted by Patrick Linden, philosopher and author, and Peter Ottsjö, journalist and author. CHAPTERS 00:00 Introduction 03:27 Why Sweden lags behind in longevity science 08:04 Nordic registry & Swedish twin registry advantages; UK Biobank use 10:05 What is biological age? 16:33 The rise of epigenetic clocks 24:22 The importance of aging clocks 32:04 Beyond methylation: proteomic and metabolomic clocks 35:12 Organ clocks 39:37 Do aging clocks generalize? 54:37 The cost of aging clocks 01:03:18 Uncertainty and AI 01:17:10 Solving aging - where do we stand? 01:28:10 Book recommendations 🗞️ SUBSCRIBE to the LEVITY newsletter: reachlevity.com/subscribe Get all LEVITY DeSci content here: reachlevity.com/t/desci (sorry about the wrong link in the episode) 📕 Check out Patrick's book: https://mitpress.mit.edu/9780262543163/the-case-against-death/ 📗 Check out Peter's book (only available in Swedish): https://www.adlibris.com/sv/bok/evigt-ung-min-och-manniskans-drom-om-ododligheten-9789179652524 ----- Show notes for this episode will be available soon after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com/subscribe LEVITY is co-hosted by Patrick Linden, philosopher and author, and Peter Ottsjö, journalist and author. Hosted on Acast. See acast.com/privacy for more information.

    1 tim 36 min
  5. #33 “Can death be the answer?"  A conversation with philosopher Nicholas Agar

    7 OKT.

    #33 “Can death be the answer?" A conversation with philosopher Nicholas Agar

    We are always excited about the next technological solution. But what if it does not come? Or what if it comes only for the few, or with terrible side-effects? And while we are waiting for the easy tech fix, are we neglecting what we can do now to better our lives? Many of our previous guests have been excited about the prospect of radically extending our lives, and some have been optimistic about the prospect of achieving this in our life time, perhaps even within a few decades. We are Levity, the real longevity podcast after all. Todays guest thinks that we should be less excited about radical longevity, and radical enhancements in general. And he does not think radical life extension is on the horizon. Nicholas Agar is a New Zealand philosopher specializing in ethics. He holds a BA from the University of Auckland, an MA from Victoria University of Wellington, and a PhD from the Australian National University. As of 2022, he is a Professor of Ethics at the University of Waikato. He is a prolific writer and the author of How to think about Progress, and Truly Human Progress, to mention two recent books. CHAPTERS 00:00 Introduction 03:38 The hype and the reality 06:02 Too much enthusiasm for radical life extension -- or too little? 17:15 Distribution worries -- more life only for the rich? 23:06 Pessimism about distribution and feasability 29:00 Structural reasons for bad science and big promises 33:30 Is it wise to spend money on radical life extension? 37:13 Should we die if we have had good life? 48:48 Deat as tool for solving housing crisis 58:27 Liberal eugenics 01:06:45 How to attract funding -- hype + conservative grant proposals 01:09:40 What is enhancement? 01:25:30 A mechanical Roger Federer with robot arms 01:38:12 Is it bad to cease to exist? 🗞️ SUBSCRIBE to the LEVITY newsletter: reachlevity.com/subscribe Get all LEVITY DeSci content here: reachlevity.com/t/desci (sorry about the wrong link in the episode) 📕 Check out Patrick's book: https://mitpress.mit.edu/9780262543163/the-case-against-death/ 📗 Check out Peter's book (only available in Swedish): https://www.adlibris.com/sv/bok/evigt-ung-min-och-manniskans-drom-om-ododligheten-9789179652524 ----- Show notes for this episode will be available soon after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com/subscribe LEVITY is co-hosted by Patrick Linden, philosopher and author, and Peter Ottsjö, journalist and author. Hosted on Acast. See acast.com/privacy for more information.

    1 tim 45 min
  6. #32 “Medical malpractice”: Matt Kaeberlein on biological age tests

    23 SEP.

    #32 “Medical malpractice”: Matt Kaeberlein on biological age tests

    One idea I’ve had lately is to put together a list of people to trust in geroscience and the longevity field more broadly. (And I might do it - keep an eye on reachlevity.com - and subscribe while you’re at it!) Matt Kaeberlein would not only make that list - he’d likely be right at the top. He’s rigorous, precise in his wording, and always puts integrity ahead of hype. But, and this is important, I wouldn’t characterize him as a skeptic. He’s a realist who insists on evidence, yet at the same time he’s visionary and deeply optimistic about what aging science can deliver. Matt is probably best known for his pioneering work on rapamycin and for co-founding the Dog Aging Project. In this episode, though, we also talk about Optispan - his proactive healthcare company - and Ora Biomedical, where the WormBot platform is screening thousands of interventions for effects on lifespan. We get into therapeutic plasma exchange (TPE), how artificial intelligence might accelerate discovery, and even his favorite science fiction books. And true to form, Matt doesn’t hold back. He calls out irresponsible use of biological age tests - going so far as to label it “medical malpractice” - and criticizes hype-driven actors, sloppy science communication, and the inertia of institutions like the NIH. At the same time, he shows how rigorous, honest work could move the entire field forward. ----- 🚀 Special offer for our LEVITY audience: Join Vitalism today and receive a 30% discount on your membership using the code LEVITY at checkout. https://www.vitalism.io/membership Show notes for this episode will be available soon after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com ----- CHAPTERS 00:00 Teaser 01:38 Introduction to Dr. Matt Kaeberlein 11:50 mTOR and rapamycin 21:37 The Dog Aging Project 51:08 Personal experiences with rapamycin 01:05:33 The inertia of the NIH 01:08:54 The right to try law and access to experimental therapies 01:13:21 Ora Biomedical and The WormBot Platform 01:21:41 The role of AI in longevity research 01:28:29 Optispan: A new approach to proactive healthcare 01:33:56 Biological age tests 01:39:39 Therapeutic plasma exchange: A personal experience 01:46:39 Book recommendations 🗞️ SUBSCRIBE to the LEVITY newsletter: reachlevity.com/subscribe Get all LEVITY DeSci content here: reachlevity.com/t/desci (sorry about the wrong link in the episode) 📕 Check out Patrick's book: https://mitpress.mit.edu/9780262543163/the-case-against-death/ 📗 Check out Peter's book (only available in Swedish): https://www.adlibris.com/sv/bok/evigt-ung-min-och-manniskans-drom-om-ododligheten-9789179652524 ----- Show notes for this episode will be available soon after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com/subscribe LEVITY is co-hosted by Patrick Linden, philosopher and author, and Peter Ottsjö, journalist and author. Hosted on Acast. See acast.com/privacy for more information.

    1 tim 50 min
  7. # 31 He wants to save your pet with cryo - The Kai Micah Mills interview

    9 SEP.

    # 31 He wants to save your pet with cryo - The Kai Micah Mills interview

    When you give a child a pet, you also expose them to death—since most pets pass away long before their owners. But what if we could cryopreserve Buddy or Tiger, and bring them back from suspended animation once we have a cure for what ended their lives? Kai Micah Mills is a pioneering figure in radical life extension and biostasis. As the founder of Cryopets, he is leading efforts to make cryopreservation accessible for pets, with aspirations to extend these technologies to humans. He left high school early to pursue entrepreneurship, becoming a tech entrepreneur in his teens. A Thiel Fellow and co-founder of CryoDAO and HydraDAO, Kai is deeply involved in decentralized science initiatives aimed at advancing longevity research. 00:00 Introduction 04:44 Timeship in Texas 05:36 Vitalism 11:54 Bryan Johnson, Mormonism and Vitalism 18:25 Dropping out of highschool to play video games 24:25 Becoming a Thiel Fellow 40:37 Why Cryonics? 49:53 We want Immortality 53:19 Cosmism 01:01:36 AI 01:05:47 Building Cryopets 01:27:42 Cryonics science 01:37:24 Cryo rat 01:46:01 CryoDAO HydraDAO and replacement 01:59:30 Talent shortage in cryogenics 02:05:08 Book recommendations 🗞️ SUBSCRIBE to the LEVITY newsletter: reachlevity.com/subscribe Get all LEVITY DeSci content here: reachlevity.com/t/desci (sorry about the wrong link in the episode) 📕 Check out Patrick's book: https://mitpress.mit.edu/9780262543163/the-case-against-death/ 📗 Check out Peter's book (only available in Swedish): https://www.adlibris.com/sv/bok/evigt-ung-min-och-manniskans-drom-om-ododligheten-9789179652524 ----- Show notes for this episode will be available soon after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com/subscribe LEVITY is co-hosted by Patrick Linden, philosopher and author, and Peter Ottsjö, journalist and author. Hosted on Acast. See acast.com/privacy for more information.

    2 tim 9 min
  8. #30 Soon you'll take a drug designed by AI  | Alex Zhavoronkov

    26 AUG.

    #30 Soon you'll take a drug designed by AI | Alex Zhavoronkov

    As you may have heard, AI-designed medicines have crossed a historic line. In this episode, Alex Zhavoronkov - CEO of Insilico Medicine and founder of ARDD walks us through how Insilico’s rentosertib became the first AI-generated small molecule with peer-reviewed clinical efficacy, while arguing against AI hype and reminding us that biology still moves at “the speed of traffic.” That duality runs through the whole conversation. On one side: a pragmatic operator obsessed with credible science, biomarkers, and clinical benchmarks; on the other: an AI visionary investing in cryonics, sketching “pharmaceutical superintelligence,” and thinking in decades, not quarters. We start in Basel, home to Roche and Novartis, where ARDD was born, then trace how the conference morphed into a ”high-signal filter for longevity” - packed with startups (who also fund it), hard data, and mainstream pharma. Alex looks back at his 2014 Nvidia talk (”Can Nvidia solve aging?”) and explains why Insilico trains its AI to learn age first - so it actually grasps biology. Years of problem-solving with pharma turned into their Pharma.AI toolkit (Biology42, Chemistry42, Medicine42, Science42). Insilico now runs 40+ programs and in an early Phase 2 study for idiopathic pulmonary fibrosis (IPF), their drug rentosertib showed a dose-dependent boost in lung capacity. Compared with the old path - often $150–200M and ~5 years just to pick a lead molecule - Insilico says it can often reach that point for under $3M or even less. Still, Alex is cautious: no matter how smart the AI gets, real-world testing and regulation won’t speed up overnight. Also in this episode: What made Alex cry. Why he wouldn’t give his own drug to patients - yet. How a mirror on a conference poster led to a proposal. How ARDD became the “WEF of longevity”. Why internal “kill teams” try to stop their own drug candidates. Why labeling aging a disease helps - but won’t shortcut approvals. Why he writes to “feed AI”. How Nvidia threads through the story - from free GPUs to Jensen’s video. 🚀 Special offer for our LEVITY audience: Join Vitalism today and receive a 30% discount on your membership using the code LEVITY at checkout. https://www.vitalism.io/membership Show notes for this episode will be available soon after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com LEVITY is co-hosted by Patrick Linden, philosopher and author, and Peter Ottsjö, journalist and author. CHAPTERS 00:00 – Teaser 03:08 – Introduction to Alex Zhavoronkov 06:11 – Alex talks ARDD 15:15 – Big-pharma starting to embrace ARDD 17:31 – The proposal story 24:52 – Why Alex decided to fight aging 27:44 – Neuralink, humanoids and the brain-aging bottleneck 30:52 – Keeping ARDD pharma-credible 32:02 – The path to Insilico 48:03 – The Zhavoronkov crystal ball 57:29 – The Insilico platform 1:07:16 – The rentosertib story 1:16:42 – What made Alex cry 1:17:44 – Aging-as-disease: rhetoric vs. regulation (GLP-1 analogy) 1:26:53 – Culture check: Middle East momentum, China’s stance 1:34:28 – Costs & timelines: what AI compresses - and what it can’t 1:41:30 – Insilico’s fully automated lab 1:47:21 – “I respect Demis, but…” 1:51:10 – Why even superintelligence won’t skip clinical validation 1:52:15 – Cryonics as plan B: organ preservation, TimeShift, use-cases 2:00:56 – Writing Forever AI & the roadmap to “pharma superintelligence” 2:06:42 – Book recommendations 🗞️ SUBSCRIBE to the LEVITY newsletter: reachlevity.com/subscribe Get all LEVITY DeSci content here: reachlevity.com/t/desci (sorry about the wrong link in the episode) 📕 Check out Patrick's book: https://mitpress.mit.edu/9780262543163/the-case-against-death/ 📗 Check out Peter's book (only available in Swedish): https://www.adlibris.com/sv/bok/evigt-ung-min-och-manniskans-drom-om-ododligheten-9789179652524 ----- Show notes for this episode will be available soon after this airs. Sign up for the LEVITY newsletter to get them straight to your inbox: reachlevity.com/subscribe LEVITY is co-hosted by Patrick Linden, philosopher and author, and Peter Ottsjö, journalist and author. Hosted on Acast. See acast.com/privacy for more information.

    2 tim 14 min

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Om

LEVITY is a podcast offering high-quality, science-informed editorial content focused on aging science and radical life extension. This includes discussions on lifestyle, biotechnology, ethical considerations of life extension, healthcare innovations, research breakthroughs and the role artificial intelligence might play. Our mission is to explore and communicate the scientific and societal pathways toward solving aging. Hosted on Acast. See acast.com/privacy for more information.

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