John Tregoning, immunologist and author of Live Forever: A Curious Scientist’s Guide to Wellness, Aging, and Death, shares science-backed insights into how we can live longer—and better. With clarity and candor, he walks through the top causes of death from heart disease to dementia, explaining what really drives them and how simple, everyday habits—like movement, food, connection, and curiosity—can improve both lifespan and quality of life. From the dangers of sugar and stress to the surprising benefits of social ties, this fast-paced conversation will change the way you think about health, aging, and the future of your body.