Many weight loss programs make big promises, but how many can live up to the hype long-term? Unfortunately, probably not too many.

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.

Working up a sweat is a well-known way to lose weight and boost heart health. And those effects of exercise, among others, could help you live longer.

Regular exercise may be one of the best ways to live a longer, healthier life. And new evidence suggests that even low levels of activity can make a difference.

Controlling cancer requires multiple prevention strategies. The United States has made some notable progress in recent years, but there's still room for improvement.

It's easy to imagine how a breathing condition could interrupt life, but could it even disrupt the ability to hold a job? New evidence suggests that it could, but it also suggests that staying active could help.

The love of America's pastime might lead many young players to play as often and as hard as they can, sometimes for multiple teams. However, that might increase these players' risk of getting hurt.

Physical activity is a vital part of a healthy life. While research has clearly shown its benefits in preventing heart disease, fitness may lower the risk of certain cancers as well.

Football is unquestionably a contact sport, and repeated “contacts” could be causing brain injuries.

Staying active could benefit more than just heart health in men.