Everyone knows that diet and exercise are good for your health. But most do not know that social interaction is also incredibly important in living a long, and healthy life. Great family to supportive friends to a romantic relationship. All positively impact your health, and lowers morality risks. In this episode Marta Zaraska, a science journalist and author of Growing Young: How Friendship, Optimism and Kindness Can Help You Live to 100, guides us through her research into the idea of living longer.