work and exercise

If you sit too much during middle age — at work and at home — your ability to exercise or even walk in late decades is at risk, a study hints. And, of course, your risk of heart disease climbs, too.

Treadmill desks were the hot new trend in exercising a few years ago. The idea was to get moving and lose weight at work. But a new study suggests people don't use them enough to make a difference.