Insulin

Dr. Peter Attia is the host of The Peter Attia Drive podcast. He is also the founder of Attia Medical, PC, a medical practice with offices in San Diego and New York City, focusing on the applied science of longevity and optimal performance.

Dr. Ronesh Sinha is a physician based in Silicon Valley who primarily works with patients of South Asian descent. He’s the author of The South Asian Health Solution

Dr. Robert Sapolsky is a professor of biological sciences at Stanford. He's the author of "Why Zebras Don't Get Ulcers" as well as his latest work - "Behave: The Biology of Humans at Our Best and Worst."