Andrew Schulz's Flagrant with Akaash Singh Peter Attia on Growing Muscle Fast, Danger of Cold Plunge, & How You Are Ruining Your Testosterone
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Sep 16, 2025 
Dr. Peter Attia, a physician focusing on longevity and healthspan, shares fascinating insights on health myths and the science behind biohacks. He debates the effectiveness of cold plunges and critiques popular supplements like creatine and caffeine, linking them to sperm health. Attia dives into the real causes of heart disease and dementia, promoting preventive measures over trendy solutions. The conversation also explores the role of AI in medicine and the importance of community for longevity, making it a captivating blend of humor and real science.
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Genes vs. Lifestyle For Longevity
- Genes matter only at extreme old age; lifestyle dominates lifespan until ~80.
- Centenarians often live long despite poor habits due to strong genetics.
Use Cold Plunges Strategically
- Use cold plunges for mood or acute inflammation reduction, not for longevity.
- Avoid cold immersion immediately after resistance training to not blunt muscle growth.
Hagler Sparked A Boxing Obsession
- Peter became obsessed with Marvin Hagler after watching the 1985 Hagler–Hearns fight and started boxing.
- He admired Hagler's aggregate excellence and relentless will over single traits.
