Dehydration and heat stroke are two very common heat-related diseases that can be life threatening if left untreated.

Staying active—getting regular exercise—is one of the best ways to minimize the effects of aging. Exercise helps prevent chronic illness and loss of function in older adults.

Even if you're fairly well conditioned, overdoing it may lead to heat cramps, heat exhaustion or heatstroke, causing the body to lose its ability to sweat.

The four most common heat-related emergencies are cramps, fainting, exhaustion, and heat strokes. These illnesses occur when the body can no longer cool itself properly.

When you sprain an ankle, one or more ligaments on the outside of your ankle become stretched or torn.

There are plenty of options to choose from if you want to get fit but don’t have 45 to 60 minutes daily to devote to exercise. But there’s a catch to taking shortcuts.

Coaches should tell players not to tackle or block with their heads or run head-down with the ball.

Experts say players can avoid injury by strengthening muscles through a supervised weight-training program before the season. That helps prevent injuries to knees and ankles, the most common court injuries.

While many view golf as a leisure activity, more golfers are becoming fitness-minded. The sport demands superior flexibility, strength and cardiovascular fitness.

What is a contusion? A sprain? A strain? Find out more about these common sports injuries.

The anterior cruciate ligament (ACL) is one of the most common ligaments to be injured. Learn about the four major ligaments of the knee.

Tendonitis is an inflammation of a tendon—the tough cord of tissue that connects muscles to bones. Tendonitis can affect any tendon, but is most commonly seen in the wrist and fingers.