Fitness is important to many people, but new research hints that it might be an issue of life or death to some patients with heart disease.

For both physical and mental reasons, many adults become less active as they age. But even a small amount of regular physical activity might help improve the body and mind.

Exercising is a key part of staying healthy, but you don't always have to sprint to reap the benefits. New research shows that leisurely walking may have significant health advantages.

Typically, eating disorders and concerns about one's body image are thought to be mainly prevalent among girls and young women. But men are not immune to these problems.

Extra weight can put patients at risk for developing serious health problems. New guidelines by the American Heart Association (AHA) recommend that doctors help their patients find a weight loss plan that works for them.

Making healthy lifestyle changes can help reduce the risk of developing heart disease. New guidelines from the American Heart Association (AHA) show specific ways to eat and exercise for a healthier heart.

Even in old age, physical activity can keep the body moving like it’s young. Being free to move and having less pain are always good.

Have you ever felt a "runner's high," that relaxing, happy feeling after a bout of exercise? Research shows that it could be an effective treatment for some types of anxiety.

Exercise can help your body become stronger, faster and more resilient. And a fitter body might mean a fitter mind as people age.

While physical activity is generally good for the body, vigorous sports activity can be risky for untrained people. The risks for women may be pretty rare, at least where the heart's concerned.