Dr. Mike Israetel discussing longevity. He defines longevity as encompassing both lifespan (mortality) and healthspan (morbidity), emphasizing the importance of quality of life. Dr. Israetel identifies body composition as a primary factor influencing longevity, alongside genetics, environment, diet, exercise, sleep, and social engagement. He also addresses common longevity myths, such as the impact of specific diets or supplements, and explores promising future avenues like AI-driven drug discovery and genetic engineering.