A watch-sized monitor that uses sweat to monitor body chemistry could help improve athletes' performance and protect them from injury.

ACL tears are more than just a painful knee injury. New research shows they can also cause harmful changes in the brain.

Delaying treatment after suffering a concussion can mean a slower recovery, experts warn.

There's a strong link between playing football and CTE, researchers find. After just under 3 years of play, athletes' risk for CTE doubles.

Kids who play just one sport tend to practice harder and more often. That may sound like a good way to succeed, but it can put them at risk for injury.

What's behind the acute kidney injury some marathon runners experience after a race? New research debunks one idea and points the finger elsewhere.

Researchers have found a link between playing football and white matter injury in the brain, which might contribute to dementia in people with CTE.

While conventional wisdom says ACL tears are the result of a single wrong move, smaller stresses may be the real cause.

A new 3D-printed scaffold may one day help heal bone and cartilage injuries, common to athletes' knees, ankles, and elbows.