Fit Nation: The Gains and Pains of America's Exercise Obsession

How is it that Americans are more obsessed with exercise than ever, and yet also unhealthier? Fit Nation explains how we got here and imagines how we might create a more inclusive, stronger future.

If a shared American creed still exists, it’s a belief that exercise is integral to a life well lived. A century ago, working out was the activity of a strange subculture, but today, it’s almost impossible to avoid exhortations to exercise: Walk 5K to cure cancer! Awaken your inner sex kitten at ...