#84 - AMA #10: Low testosterone, hypothyroidism, building muscle (and preserving it while fasting)

In this "Ask Me Anything" (AMA) episode, Peter answers a wide range of questions from subscribers. Bob Kaplan, Peter's head of research, asks the questions. If you're not a subscriber and listening on a podcast player, you'll only be able to hear a preview of the AMA. If you're a subscriber, you can now listen to this full episode on your private RSS feed . You can also listen to this full episode on our website at the AMA #10 show notes page . We discuss: Does testosterone supplementation impact longevity? [2:40]; Under what conditions does Peter decide to treat patients who have low testosterone? [8:50]; Are there risks involved with testosterone replacement therapy? [17:10]; How does Peter diagnose and treat hypothyroidism? [21:30]; How might someone do time-restricted feeding while also adding muscle mass? [26:30]; If building muscle requires higher levels of IGF-1, should we be concerned about longevity? [34:45]; How to preserve muscle mass while fasting [41:45]; Is it possible to simultaneously lose fat and add muscle mass? [46:30]; and More. Learn more: https://peterattiamd.com/ Show notes page for this episode: https://peterattiamd.com/ama10 Subscribe to receive exclusive subscriber-only content: https://peterattiamd.com/subscribe/ Sign up to receive Peter's email newsletter: https://peterattiamd.com/newsletter/ Connect with Peter on Faceboo k | Twitter | Instagram .