10-Minute Weekly Update : 1335

Summary

The Human Upgrade: Biohacking for Longevity & Performance

Host: Dave Asprey
Episode: 10-Minute Weekly Update : 1335
Date: September 26, 2025

---

Episode Overview

This rapid-fire 10-minute weekly update from host Dave Asprey covers three major domains in the biohacking and longevity space: the current state of rapamycin research and senolytics, the rise and risks of artificial intelligence in healthcare, and new angles in longevity science including forest bathing, social connection, and cutting-edge dental regeneration. Asprey’s goal: keep listeners up to speed on evolving science, actionable tips, and how to navigate the shifting health and medical landscape with intelligence and agency.

---

Key Discussion Points & Insights

1. Rapamycin & Senolytics — “Hype Check”

[01:11–04:46]

• Rapamycin: Animal vs. Human Evidence

  • Dave highlights a review from Agingus.com (Sept 24), emphasizing the gap between promising animal data and a lack of convincing clinical evidence in healthy adults.
  • Safety flags: Calls for longer, better human trials before mainstream or “off-label” use.
  • Lifestyle levers—fasting, protein timing, and smart training—target the same pathways with fewer unknowns.

  “MTOR is powerful, rapamycin is interesting. But lifestyle levers hit the same pathway with fewer unknowns. Fasting, protein timing, intelligent training. Use data, guys, not dogma.” – Dave Asprey [01:37]

• Senolytics: Precision Over Blanket Use

  • New data (Sept 23) shows that “senescent cells aren’t one thing, they’re a zoo,” meaning their response to senolytics depends heavily on subtype and timing.
  • Imprecise use of senolytics is like "swinging a baseball bat in the dark"; targeted, intermittent dosing is emerging as best practice.
  • Dave offers practical guidance: intermittent dosing (“hit and run, not daily drip”), add autophagy and membrane support, and always change just one variable at a time.

  “Clear the right [senescent] ones and you free up recovery capacity. Clear the wrong ones and you stress healthy cells. Or you just waste time and money. Precision beats carpet bombing. Always.” – Dave Asprey [02:17]

  “My take: this is the turning point from senolytics kind of work sometimes to senolytics work when targeted.” – Dave Asprey [03:45]

2. AI in Healthcare — Promise and Peril

[04:47–06:51]

• Growth and Skepticism

  • AI in healthcare is predicted to become a $100B+ market by 2030.
  • While there’s “huge upside” in personalization and freeing doctors from administrative burdens, 70% of surveyed doctors still don’t trust AI for diagnoses.

• AI in Medicare Prior Authorization

  • Recent federal pilot could let algorithms approve or deny coverage, potentially escalating existing delays, with new risks of algorithmic opacity and lack of human oversight.
  • Key risk: if not transparent and appealable, “the algorithm becomes a financial bouncer at the clinic door.”

  “If the ruleset isn't transparent, explainable and appealable, the algorithm becomes a financial bouncer at the clinic door. You won't even know which variable kicked you out. Age code, zip, or some proxy for low value.” – Dave Asprey [05:41]

• Protecting Patient Agency

  • Dave lays out three “guardrails” for AI in healthcare: plain English explainability, a fast human override, and auditable logs.
  • Action steps: anyone on Medicare should start documenting everything and demand transparency.

  “AI should be a co pilot that flags fraud and speeds approvals for obvious wins. Not a black box that quietly labels your therapy low value while your condition worsens.” – Dave Asprey [05:59]

  “Edge cases are where innovation lives. The people who benefit most from unconventional care are the first to get squeezed by one size fits all models.” – Dave Asprey [06:30]

---

3. Longevity Science: Three Angles to Watch

[08:01–09:48]

• Forest Bathing

  • Renewed interest for simple, accessible interventions: lowering blood pressure, boosting heart rate variability, and reducing cortisol.

• Superager Research

  • Studies from Northwestern highlight the combination of social connection and unique brain structure—“think mitochondria plus community”—as key factors in healthy aging.

• Teeth Regeneration Trials

  • Human trials are underway on antibody therapies to regrow natural teeth, potentially making age-related tooth loss reversible.

  “I like this mix because it pairs free wins with real frontier tech.” – Dave Asprey [08:52]

---

Action Steps for Listeners

[08:52–09:48]

• MTOR Modulation
  • Fast for 14–16 hours on non-training days; cluster protein post-lifting.
  • If curious about rapamycin: only use with clinical oversight and pre/post labs.
• AI in Personal Health
  • Treat AI as an assistant for data, not the final authority—always confirm with your clinician.
• Advocacy in Medical Coverage
  • For Medicare: document everything, keep all records, and insist on transparent appeals.
• Low-Tech Longevity Wins
  • 20–30 minutes daily of natural green space, ideally in the morning.
  • Schedule routine social interaction (“Superager brains aren’t accidental”).
  • Stay alert for developments in regenerative dental tech.

---

Notable Quotes & Memorable Moments

• On Senolytics:
  “If you don’t match the senolytic to the senescent subtype and timing, you’re swinging a baseball bat in the dark.” – Dave Asprey [01:55]

• On AI and Medical Freedom:
  “AI should widen access, not narrow it. Make it transparent. Keep humans accountable. Protect the right to pursue care at the edges.” – Dave Asprey [06:49]

• On Action Planning:
  “Superager brains aren’t accidental, and keep an eye on the 2:3 growth trials as they progress.” – Dave Asprey [09:38]

---

Timestamps for Key Segments

• [01:11] – Rapamycin: critique of current evidence and safety concerns
• [01:47] – Senolytics: specificity and why blanket protocols fail
• [04:47] – AI in healthcare: market growth, skepticism, Medicare policy risks
• [06:51] – Action steps for insureds, especially Medicare users
• [08:01] – Three new longevity angles: forest bathing, superagers, tooth regrowth
• [08:52] – The week's actionable summary: fasting, protein timing, advocacy, and simple longevity wins

---

This summary distills the essential science, actionable guidance, and empowering intent of Dave Asprey’s 10-minute update. For the full depth and nuance, listen to the original episode.

Transcript

[A]

I'm Dave Asprey. That's Dave spelled D A I V E. And this is your 10 minute weekly upgrade on the biggest stories in biohacking, longevity and the world of health. Let's go.

[B]

You see it in the mirror. Wrinkles, sagging and old scars your skincare can't touch. What if you could get cosmetic surgery results at home without the pain, the risk or the downtime? The Lima laser switches your skin into youth mode. This is clinic grade cold laser technology now available at home. It penetrates deep into your skin and triggers repair at the cellular level, not just the surface. Watch your wrinkles, scars and pigmentation fade, all without stepping into a clinic. No surgery or injections necessary. Experts around the world trust and use this. I use this. If you're serious about changing how your skin looks and feels, this is the future. Go to Lima Life and use code DAVE10 for 10% off the Lima laser. That's L Y M A dot life and use code DAVE10.

[A]

Story 1 Rapamycin hype check. A major review from Agingus.com on September 24th is calling out the gap between animal wins and human reality translation in healthy adults. Clinical evidence for lifespan or true aging reversal just isn't there yet. And safety flags mean we need longer, better trials before people pop it off label like a vitamin. I've said this before. MTOR is powerful, rapamycin is interesting. But lifestyle levers hit the same pathway with fewer unknowns. Fasting, protein timing, intelligent training. Use data, guys, not dogma. Sennalytics just leveled up on September 23. New data showed why results have been all over the map. Senescent cells aren't one thing, they're a zoo. And their kill switches change with cell cycle status. Translation? If you don't match the senolytic to the senescent subtype and timing, you're swinging a baseball bat in the dark.

[B]

Why?

[A]

This matters for your biology right now. Senescent cells drive inflammation, steal nutrients and jam mitochondrial signaling. Clear the right ones and you free up recovery capacity. Clear the wrong ones and you stress healthy cells. Or you just waste time and money. Precision beats carpet bombing. Always. This also explains why early stacks with quercetin hit different tissues differently and why some people felt joint relief while others felt nothing. Different senescent subtypes, different survival programs, different tissues. How to use this today without pretending we have final answers? Think hit and run, not daily drip. Intermittent dosing respects the threshold nature of zombie cells and reduces collateral stress. Pair with cleanup support. Autophagy and membrane integrity so healthy cells rebound faster. Hrv, sleep efficiency, joint comfort training, recovery and basic inflammation markers pre and post acenolytic cycle. Don't stack blindly. If you're using a senolytic protocol, change one variable at a time and watch for tissue specific effects over two to six weeks. My take this is the turning point from senolytics kind of work sometimes to senolytics work when targeted. Expect protocols that subtype cells time dosing to cell status and combine with immune support to finish the cleanup. That's how we move from Internet lore to real world rejuvenation. AI in healthcare is exploding and doctors are nervous as of a news report from Crescendo AI on September 23, projections pegged the AI and healthcare market marching toward roughly the hundred billion plus zone by 2030. Huge upside in personalization, faster pattern finding and taking drudgery off clinicians plates. But about 70% of surveyed physicians still don't trust it for diagnostics. My read Use AI as a co pilot for data triage, not an oracle for life and death calls. Alright, this one matters. AI is stepping between you and your doctor. A new federal pilot would let algorithms approve or deny Medicare coverage, essentially scaling prior authorization by machine. That dropped in Thursday's policy rundown from kffhealthnews.org and it's the kind of quiet change that rewires care without a vote, a hearing, or your consent. Here's the core issue. Prior authorization already delays treatment and burns clinician hours. Now imagine it turbocharged by an opaque model trained on past denials and cost controls. If the ruleset isn't transparent, explainable and appealable, the the algorithm becomes a financial bouncer at the clinic door. You won't even know which variable kicked you out. Age code, zip, or some proxy for low value. I'm not anti AI, I'm pro agency. AI should be a co pilot that flags fraud and speeds approvals for obvious wins. Not a black box that quietly labels your therapy low value while your condition worsens. If we're going to do this, we need three guardrails. Explainability in plain English a a fast human override and auditable logs you can actually see. No secrets, no computer says no why this hits medical freedom. Edge cases are where innovation lives. The people who benefit most from unconventional care are the first to get squeezed by one size fits all models. That's why I'm drawing a line here. Use AI to cut friction, not to ration hope. Again, this isn't speculation, it's it's the practical consequence of the Medicare AI pilot and it deserves heat while it's still a pilot, not a default. What to do right now if you or your parents touch Medicare, start documenting medical necessity today. Keep copies of notes, labs failed, standard therapies. Ask the plan in writing, what model is used, what features drive denials, what's the human review process and and what's the turnaround time for appeals if they can't answer clearly, that's the problem. Push for sunlight before the switch flips. Bottom line, AI should widen access, not narrow it. Make it transparent. Keep humans accountable. Protect the right to pursue care at the edges.

[B]

How many nights have you stared at the ceiling counting the hours until morning? Maybe you tried a sleep supplement but it knocked you out and left you groggy like you traded one problem for another. Poor sleep doesn't just make you tired, it kills your performance, slows your brain down and speeds up aging. Kill Switch from Switch supplements solves that problem. It works with your biology instead of against it. It contains five gut friendly extensively researched ingredients like gaba, magnesium glycinate and tart cherry extract to help you fall asleep naturally, stay asleep and wake up clear. And it's in the form of of a delicious sugar free, no BS hot cocoa drink. Sleep tracking data proves how well it works. People consistently hit 90 plus sleep scores and more than double their REM sleep in only three days with Kill Switch. If you're ready for the best sleep of your life, order [e-mail] and use code DAVE for 20% off. If you don't sleep better, you get your money back. Kill Switch works with your biology. Your body does the rest.

[A]

Three longevity angles worth your attention right now. First, forest bathing is getting renewed coverage for lowering blood pressure, improving HRV and dropping cortisol. Second, Northwestern superager work keeps pointing to social engagement and distinct brain architecture as protective think mitochondria plus community. Third, the wild card human trials are underway for an antibody therapy to regrow natural teeth which could flip age related tooth loss into a reversible category. These popped in a timely roundup this week. I like this mix because it pairs free wins with real frontier tech. Alright, so here's how to turn everything we learned today into results. First, earn your MTOR modulation. Put 14 to 16 hour fasting windows on at least three non training days. Then cluster protein after training on your lift days. If you're still rapid curious you get clinical oversight and pre post labs. No cowboy dosing. Second, make AI your co pilot, not your captain. Let it. Summarize your labs in history and surface patterns you'll miss at 11pm Then confirm with your clinician. Third, protect access if you touch Medicare or support someone who does. Document necessity, keep paper trails and insist on a human appeal path that's directly responsive to today's policy. Brief from kffhealthnews.org Fourth, bank the free wins. Get 20 to 30 minutes of green exposure, trees, dirt, real light, preferably early in the day. Message a friend and lock a social plan. Superager brains aren't accidental, and keep an eye on the 2:3 growth trials as they progress.

[B]

All right, guys, that is your weekly biohacking roundup.

[A]

Join me again next Friday for another rundown of the biggest health stories in the news. Enjoy your weekend.

[C]

The Human Upgrade, formerly Bulletproof Radio, was created and is hosted by Dave Asprey. The information contained in this podcast is provided for informational purposes only and is not intended for the purposes of diagnosing, treating, curing, or preventing any disease. Before using any products referenced on the podcast, consult with your healthcare provider carefully, read all labels and heed all directions and cautions that that accompany the products. Information found or received through the podcast should not be used in place of a consultation or advice from a healthcare provider. If you suspect you have a medical problem or should you have any healthcare questions, please promptly call or see your healthcare provider. This podcast, including Dave Asprey and the producers, disclaim responsibility for any possible adverse effects from the use of information contained herein. Opinions of guests are their own and this podcast does not endorse or accept responsibility for statements made by guests. This podcast does not make any representations or warranties about guest qualifications or credibility. This podcast may contain paid endorsements and advertisements for products or services. Individuals on this podcast may have a direct or indirect financial interest in products or services referred to herein. This podcast is owned by Bulletproof Media.