In Young Forever, Dr. Mark Hyman challenges us to reimagine our biology, health, and the process of aging. To uncover the secrets to longevity, he explores the biological hallmarks of aging, their causes, and their consequences--then shows us how to overcome them with simple dietary, lifestyle, and emerging longevity strategies. You'll learn how to turn on your body's key longevity switches; reduce inflammation and support the health of your immune system; exercise, sleep, and de-stress for healthy aging; and eat your way to a long life, featuring Dr. Hyman's Pegan Diet.