Bulletproof Radio

Your butt is not about aesthetics. It is a longevity organ that directly impacts metabolism, brain optimization, resilience, and how long you stay strong as you age. In this episode, you’ll learn why strength training and protein intake matter more than body fat percentage, how mitochondria drive human performance and recovery, and why building muscle protects your brain, stabilizes mood, and supports long-term longevity. This conversation reframes biohacking, anti-aging, and health from weight loss to muscle span, the length of time you live with strong, functional skeletal muscle. Watch this episode on YouTube for the full video experience: https://www.youtube.com/@DaveAspreyBPR Host Dave Asprey sits down with Gabrielle Lyon, an accomplished physician and New York Times bestselling author of Forever Strong: A New, Science-Based Strategy for Aging Well, and author of the upcoming The Forever Strong Playbook, releasing January 27, 2026. Dr. Lyon pioneered the Muscl