Exercise is Medicine: How Physical Activity Boosts Health and Slows Aging

Aging, despite its dismal reputation, is actually one of the great mysteries of the universe. Why don't we just reproduce, then exit fast, like salmon? Could aging just be one big evolutionary accident? Is senescence, the gradual falling apart of our bodies, at least partially avoidable? Can we extend the healthy lifespan and reduce the lingering, debilitating effects of senescence?

In this book, investigative health journalist Judy Foreman suggests that we actually can, and the key element...