Marta Zaraska: Growing young with cuddles, fuzzy moments and optimism

We are bombarded with advice and information about diet and exercise, but what about the impact of friendship, optimism and kindness on our longterm wellbeing? It is eye-opening to discover that a strong support network of family and friends lowers mortality risk by about 45 percent, while volunteering your free time reduces the chances of early death by a staggering 20-60 percent, depending on the study. Science journalist Marta Zaraska is the author of Growing Young: How Friendship, Optimis...