Workout Workbook

The numbers are shocking. Just three out of 10 American adults are active enough to stay healthy and fit, and nearly four out of 10 admit they aren't active at all, despite reams of research proving that exercise is a powerful preventive, and sometimes an antidote, for disability and illness. Which side of this divide are you standing on and why? Maybe you're not sure what blend of exercise is best. Or perhaps you know exactly what you need to do, but your workouts have become so humdrum that it