David Sinclair: GLP-1 Side Effect No One Talks About, AI in His Lab & Reversing Blindness | EP #251
In a Nutshell
David Sinclair highlights GLP-1 drugs' benefits for heart, brain, and longevity beyond weight loss, despite rare NAION blindness risk (potentially reversible via ER-100 therapy), and emphasizes AI's exponential acceleration in drug design, analyzing trillions of molecules to reverse aging. Key longevity strategies include mindset (optimists live 15% longer), eating stressed plants rich in polyphenols like resveratrol and olive oil, reversing atherosclerosis with nattokinase, OSK for telomere extension and diseases like ALS/macular degeneration, plus lifestyle tweaks like saunas, movement, and indoor air filtration. Genetics influence ~50% of lifespan, but behavior, monitoring (genomes, wearables), and therapeutics override it for healthspan extension to escape velocity.
These notes were generated by AI and may contain inaccuracies.
More data shows GLP-1 benefits to heart and brain beyond weight loss. Working with companies and academics using AI to accelerate work exponentially. AI-driven drug design examines billions, eventually trillions, of molecules to reverse aging; they've done this already. If anyone says AI can only do what we've taught it, that's the biggest bunch of BS.
My ancestors die in their 70s. My grandmother had a stroke in her 30s. So the fact that my father is now living in a healthy way beyond any of his ancestors probably ever is testament that you can really change what your genes have given you.
There's one thing that is the most powerful, your mindset. I think this is the most exciting time ever to be alive. I want to see as much of it as I possibly can. Now, that's a moonshot, ladies and gentlemen.
On sleep and exercise: Would sleep more and exercise more if not traveling on airplanes most of the time. In lab, but has standing desk and treadmill at home to read and work while walking. Movement is very important. Used to work out a lot but was heftier. Life is taking over; Serena and I spend time traveling to educate the world, meet world leaders and industry leaders to shape industry. Sacrificing health for the mission.
Hayflick limit: Cells divide too many times and run out of telomere lengths at ends of chromosomes. Leonard Hayflick was a good friend who passed away recently. Studying evidence that turning on OSK activates telomerase and telomeres get longer. If not, combine treatment with telomerase therapy for even longer cell life. Area of intense investigation in lab.
GLP-1s show benefits to heart, brain beyond weight loss; paved way socially for longevity medicines, which will be much bigger. If not losing weight or don't want to, talk to doctor about microdosing (doctor supervised; don't self-administer). Drugs improving, have benefits besides weight loss. Weight loss alone biggest benefit for longevity; being massively overweight accelerates aging pace.
One downside besides known risks: Increasing number waking up blind (rare, 20-30,000 people in US/year, still horrible). Called NAION (non-arteritic anterior ischemic optic neuropathy); can happen without drugs, unknown cause, might be congenital. ER-100 therapy tested to reverse blindness caused by drugs or NAION.
Xenohormesis hypothesis (published with Conrad Howitz 15-20 years ago): Resveratrol and plant polyphenols (quercetin, fisetin) activate sirtuin-1 enzyme (early 2000s discovery). Aspirin and 20th-century pharmaceuticals derived from natural molecules. Evolved to sense stress in plants as heads-up for food scarcity, hunker down for starvation. Eating stressed plants with high polyphenols signals adversity (adversity mode vs. abundance mode). Eat rainbow: colored plants, dark leafy greens, colored vegetables. Favorite: broccolini, lightly steamed with olive oil and lemon, or salt and pepper. Olive oil full of polyphenols, especially bitter ones; bit every day.
Doing a lot with AI (not yet with Layla/Jeff, but hope to). Can't survive without AI in lab; accelerating work exponentially, doing in short time what took hundreds of years. AI-driven drug design on billions/trillions molecules to reverse aging (done already). Using AI to tell if cell old or young by looking, millions of cells in 10 minutes. Collaborated with Cadence (scientist agentic system for longevity): Fed transcriptomic data; made discovery on biological age. Using AI as scientists for ideas and creativity. AI as smart/creative as humans, even more in future.
Genetics not as relevant as behavior, nutrition for aging, but longevity runs in families (centenarians often have relatives who are too). Analyze genomes for longevity bias at clinics. Recent paper challenged 10-15% genetic determination of lifespan, suggesting closer to 50/50. At minimum, at least half of lifespan up to you. Look at genome, epigenome, blood work, wearables. Eventually normal to be monitored, predict heart attack and medicate preemptively. Most physicians don't do whole genome/exome sequencing but should; educate on important actionable genes.
Lifestyle impacts first 70-80 years (prevent stupid deaths). From 80-110, genetics outsized. Therapeutics overcome genetics. Genetics tell what to focus on/change. Father's Ashkenazi Jewish heritage: Ancestors died in 70s, grandmother stroke in 30s; father living healthy beyond ancestors proves genes changeable.
Fountain Life done last year, recommend. Tips for atherosclerosis reversal: Nattokinase most natural/powerful way. Lowering LDL sufficiently (with inflammation down) has reversal effects; sweet spot, not zero LDL goal. If high LDL, get really low with medicines better than statins like PCSK9 inhibitors. Nothing as powerful as nattokinase in literature.
Most powerful: Mindset - belief you can live longer, revolution coming, needed in society, purpose. National Academy of Sciences study: Optimists live 15% longer than pessimists.
I don't talk about immortality. I do talk about healthspan. I do talk about reaching longevity escape velocity. I think this is the most exciting time ever to be alive. I want to see as much of it as I possibly can.
Same as all biotech: Team (50% of decision), cash on hand, valuation, runway (biotechs need lots of money; #1 mortality cause is capital deficiency). How advanced (near clinic or 10 years away)? Track record raising money helps. Reputation of team key; biotech like maze, experienced know shortcuts/wormholes. Inexperienced academia teams challenging without mentors.
Skeletal muscle strong predictor of metabolic health, insulin sensitivity, survival. Testosterone (trials by Shalender Bhasin) doesn't extend lifespan/not anti-aging, but prevents falls, good for muscular/skeletal health (people die from falls, frailty). Talk to doctor. If low DHEA, supplement. Mostly: Move, don't let muscles waste. Hormone replacement for women now evidenced safe (old cancer study disregarded).
ALS/Lou Gehrig's: Many variations. OSK/ER-100 therapy works broad diseases. Kelly Rich (postdoc) on ALS using aging model (motor neuron degeneration); also sensory neurons (hearing, eyesight, spine). Regrowth of motor neurons to muscle possible with OSK or chemical cocktail; reversible in animals, first time shown.
Macular degeneration (wet/dry): Reversible in gold standard animal models by Life Biosciences, former student Wanglu (MIT, paper soon), lab with Korean lab. On radar for ER-100 post-glaucoma.
Power of mindset. Research physical/physiological/biological/empirical, but mindset subjective. Gap with Joe Dispenza-like work. Starting to meditate thanks to wife.
Serena inspired bridging: Mind changes immune system. Paper showed manipulating mouse brain nerves (mental thought) sends signals to gut, more immune cells. Studying rejuvenating sensory nerves for broad body effects (meditation benefits). Evidence mind overcomes matter, cures diseases medicines can't.
Spend 90% life indoors. Indoor environment used to be horrible: Tap water straight. Now: Air filtered every room (HEPA; feel better, cured nasal drip decades). Water quality, no plastics/Teflon. Fresh air, don't sit, always move.
Built comfortable world kills us: Abundance world. Need adversity/stress bodies. No cold/hot (AC); get sauna (red light/dry great), steam room. Sauna beneficial.
Try the health sauna here. I have one in my office and do 20-30 minute sessions with infrared. It's amazing and quick—you can always squeeze it in, plus red light and all these different elements.
Mold is a killer. Understand what you're breathing, drinking, and eating. Worry about what's coming into your body physically as well as mentally: what are you listening to, who are you spending time with, what's on your walls. All these things impact your health. Be selfish about that for yourself.
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