Exercise & FitnessPeter Attia's Complete Guide to Building Muscle and Strength for Longevity
In this AMA episode, Peter Attia synthesizes insights from leading experts including Layne Norton, Andy Galpin, and Mike Israetel into a comprehensive guide on building muscle and strength for longevity. He explains why muscle mass and strength are among the most powerful predictors of lifespan and healthspan, covering grip strength as a mortality predictor, the role of fast-twitch fiber loss with aging, and the mechanics of progressive overload. Practical nutrition advice includes protein intake targets, timing, and creatine supplementation. The episode also addresses how women, beginners, and older adults should tailor resistance training programs, how to track progress using DEXA scans, and how hormones, sleep, and stress interact with muscle-building. A rare, one-stop resource for anyone serious about training for a longer, healthier life.