Sitting may feel nice, especially after a long day. Too much of it, however, isn't doing your heart health any favors.

Exercise in your teens is a good thing, but even with exercise, poor ability to cope with stress may affect your heart later in life.

Exercise is almost never a bad thing, but new evidence suggests that not all exercise is created equal.

Older adults with reduced mobility may not move around a lot, but a little activity may go a long way in maintaining their heart health.

The last thing you want after a stroke is someone making you ride a bicycle at a fast pace, but that might be just what you need.

Many avid joggers feel guilty about taking days off from running. However, taking it easy may be healthier than going overboard.

January is the time for resolutions, and getting into shape is a good one for most people. You don't necessarily have to run a marathon, though — even a little exercise a day could help keep the doctor away.

Exercise doesn't have to be complicated. Even simple walks with friends may improve your health.

Couch potatoes, get up and move. Exercise — even a little bit — could help you live longer.

Pumping iron to stay strong may keep your heart pumping, too. Healthy lifestyle practices may prevent the majority of heart attacks in younger women.