This episode explores the critical role of muscle mass and strength in longevity and overall health, addressing frequently asked questions on the topic. Peter Attia highlights the importance of understanding the nuances between muscle mass and strength, particularly in relation to longevity, metabolic health, and injury prevention. The discussion covers effective strategies for building muscle mass and strength, including progressive overload, rep ranges, and training intensity, while emphasizing the significance of power training and explosive movements, especially with age. Nutritional aspects necessary to support muscle growth are also examined, focusing on protein intake, timing, and the role of supplements like creatine. The episode further addresses tailored training strategies for individuals of different ages and fitness levels, from beginners to seasoned lifters, and concludes by emphasizing the importance of balancing recovery with injury prevention to ensure long-term consistency. Peter Attia also shares a personal anecdote and promotes the benefits of becoming a premium member to access comprehensive show notes, monthly AMAs, and other exclusive content.