The prestige in fitness runs toward the elite. The math runs the other way.

Peter Park has trained Lance Armstrong, Justin Verlander, Kelly Slater, and numerous pro athletes. A pro, he says, arrives already near the ceiling, so a great year of coaching moves them a few percent. A 60-year-old who hasn't trained since the nineties is nowhere near it, and that same year decides how the rest of his life goes.

Dr. Kevin White sits down with Peter to talk about why the work is smaller than people expect, why he won't train anyone at their house, the 12-year-olds asking him about peptides, and the snail tattoo he got at 61.

"I get a pro athlete, I can change like ten percent. I get someone older, I can change their whole life."
- Peter Park

Learn more about Peter Park at Platinum Fitness Summerland, platinumfitnesssummerland.com. He co-authored the movement work Foundation Training with Dr. Eric Goodman.

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Most people treat a clean lab report as a verdict. Nothing flagged, nothing to do.

Brian Kennedy has spent three decades explaining why that reading is generous. He trained at MIT, led the Buck Institute for Research on Aging, and now directs the Centre for Healthy Longevity at the National University of Singapore. His view is that medicine learned to define disease and never got around to defining health, so the ranges on your lab report mark the minimum that keeps you alive and the maximum that doesn't kill you. Everything in between gets called normal.

Dr. Kevin White sits down with Brian to talk about what belongs in that space. Kennedy's team went looking for the people who are aging unusually well and found their numbers cluster in a far tighter band than the one your lab prints. He is 59, has nothing on his chart, and treats his own numbers anyway.

They also get into why waiting for a diagnosis is a bad trade, what he takes and why, and what his lab found when it bought 16 supplement brands and measured what was actually in the bottles.

"If somebody says they can tell you exactly what to do to make you 10 years younger, they're lying to you or they're lying to themselves."

- Brian Kennedy

If you've ever been handed a normal lab report and wondered what it actually bought you, this conversation gives you something better to aim at.

Learn more about Brian Kennedy's research at medicine.nus.edu.sg/sites/briankennedylab, find Rejuvant at rejuvant.com, and look up his longevity solutions company, Live Beyond.

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If you enjoyed this episode, please subscribe, leave a review, and share it with someone who's committed to living a longer, healthier life.

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A 27 year old woman went to a longevity clinic in the Bronx for an NAD IV drip. Minutes later she was in cardiac arrest. She died a few hours after that. The person who ran the clinic held a medical license from the Dominican Republic, not the United States.

Dr. Kevin White talks with Dr. Matt Kaeberlein, a researcher who studies why and how we age, about what that story actually tells us. His answer isn't really about NAD. It's about certainty. Kaeberlein has never seen evidence that NAD infusions help anyone, and the field's founding claim, that NAD declines with age and needs replacing, is now being questioned by the same scientists who study it. Clinics keep selling it with total confidence anyway.

That same pattern shows up everywhere they go in this conversation. Kaeberlein now chairs Montana's expanded Right To Try review board, which lets biotech companies test experimental therapies on real patients once they clear a phase one safety bar, outside the usual FDA process. He explains why that could produce safety data the field has never had, and why he'd reject any therapy pitched without a real scientific rationale behind it, no matter how confidently it's sold.

"You don't want to listen to the people who are telling you with a hundred percent certainty, do this. And by the way, you know, buy my longevity latte."
— Matt Kaeberlein

They also compare LinAge2, a biological age calculator built from standard bloodwork with decades of mortality data behind it, to the consumer epigenetic age tests sold directly to the public. Kaeberlein's problem with the popular tests has nothing to do with the underlying science. It's that nobody selling them will publish the error bars, so a 20 year gap on your result could mean everything or nothing. You can't run statistics on a number you're not allowed to check.

Along the way they cover why rapamycin, the drug most associated with Kaeberlein's name, might not even be his top pick anymore. A company spun out of his lab, Aura Biomedical, has found longevity molecules that also protect against radiation damage. And a new epigenetic instability test from Irena Conboy's company, Generation Lab, measures something closer to biological chaos than biological age.

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