For those in midlife, lifestyle choices made now may have a major impact on living long and staying independent later in life.

Heart attacks can strike with no warning, even while exercising. However, middle-aged adults shouldn't be afraid to exercise, as the likelihood of sudden heart attacks may be low during vigorous activity.

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.

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.

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

Memory and thinking tend to slow down in older adults, but those who stay physically active may keep their minds running smoothly.