Peter Attia on Growing Muscle Fast, Danger of Cold Plunge, & How You Are Ruining Your Testosterone

YERRR – the boys sat down with Dr. Peter Attia to break down the real science behind longevity, healthspan, and why most “biohacks” are straight-up BS. We’re talkin’: – Cold plunges, Zyn, fasting & the truth about supplements – Creatine, caffeine, cholesterol, and sperm counts (!?) – Stem cells, TRT, peptides, and the fake science behind the hype – How to actually prevent cancer, heart disease & dementia – Plus: AI in medicine, false positives, and the secret weapon for longevity It’s myth-busting meets masterclass. All that and more on this week’s episode of FLAGRANT. INDULGE. 0:00 Intro 00:57 Genes + Blue zones = myth 4:02 Cold plunges effectiveness? 9:25 Attia's background + Hagler Obsession 16:33 Getting to Stanford + Becoming a surgeon 18:16 Being pre-diabetic + Fatherhood 24:30 Locking in on longevity + Heart disease 28:45 Use all the tools + Cholesterol management 34:57 Chasing content 38:40 Insulin resistance, Zynning & Fasting 46:30 Causality with Sleep + HRV + Wearables 53:12 Supplements - Creatine, Mg, Vits, Caffeine 57:23 Sperm quality issues, 100 sperm + EMF 1:08:12 BS Biohacks - Stem cells, Peptides, TRT, NAD 1:21:21 Weightloss, Red dye + Need for a plan 1:26:15 Prevention is still king + Healthspan 1:29:12 Dementia + Reward system 1:36:07 Cancer, Full body MRI + False positives 1:39:43 AI's role 1:43:38 The real positives + Nicotine

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