The next time your children want to play outside for an extra 30 minutes, you might want to let them. More exercise now could lead to better grades in the future.

Injuries are basically the only downside of exercise, and many sports injuries can be tough to treat. But certain types of exercise may help people prevent these sports injuries.

Concussion guidelines and treatments have been getting a lot of attention in the sports and medical communities over the last several months. But routine tests for common head injuries might not catch all conditions and troubles with the brain.

Kids will be kids — running around, scraping knees and occasionally bonking their heads on the table. But what if a more serious head injury occurs? How do these injuries affect a still-growing brain?

Plenty of people fuel their workouts with protein and other supplements. Unfortunately, it's not always clear what may be added to these supplements. In some cases, dangerous substances have been found in products sold as natural supplements.

It's important for all children to get a regular amount of physical activity each day. Sometimes, the amount they get is affected by factors at preschool.

The American Heart Association has looked at poor diet and seen the damage it has done. Healthcare providers are being called on to treat unhealthy behaviors as aggressively as physical risk factors.

Rheumatoid arthritis can cause pain and tenderness in joints, so patients frequently become sedentary. A new study may give people with the disease a new reason to move.

Research has demonstrated that physical activity lowers the risk of breast cancer. What hasn’t been clear are the specifics – how long and how intense the exercise needs to be to cut risks. A new study drills down on how exercise can reduce a postmenopausal woman's chances of developing breast cancer.

With restless legs, maybe the key is just to keep them moving with exercise. But movement alone is not quite what the legs need to keep them from being restless at night.