Levels of a protein called tau in spinal fluid may help predict which former pro athletes with multiple concussions will end up with long lasting effects from their history of jolts to the brain, a new study suggests.

Taking caffeine before exercise could improve performance during a broad range of exercise tasks, according to a new review of past research.

Although space travel exposes astronauts to forms of radiation that are uncommon on Earth, and that are linked to cancers and heart problems, a U.S. study suggests this does not significantly shorten their lives.

Compared to inactive people, recreational soccer players have lower cholesterol, blood pressure and resting heart rates as well as less fat mass, a research review suggests.

Two Swiss freestyle skiers were the first athletes confirmed to have been hit by a highly contagious virus that causes vomiting and diarrhea at the Pyeongchang Winter Games, the Swiss Olympic team confirmed on Friday.

Pyeongchang Winter Olympics organizers (POCOG) said on Monday a total of 177 norovirus cases had been confirmed so far at the Games, but that the athletic delegations remained unaffected.

Olympic officials are discussing measures to combat the spread of a virus that causes vomiting and diarrhea after 42 new cases were confirmed at the Winter Games, a Korean Centers for Disease Control and Prevention (KCDC) official said.

The number of people struck down by a virus causing vomiting and diarrhea at the Pyeongchang Winter Olympics has more than doubled to 86, though athletes remain unaffected, the Korean Centers for Disease Control and Prevention (KCDC) said.

BOSTON, Mass., Aug. 7, 2015 /PRNewswire-USNewswire/ — Which athletes are at risk for Chronic Traumatic Encephalopathy (CTE)? Can it be prevented? How is CTE related to sports concussions? When—and how—can CTE be diagnosed? “Our knowledge of CTE is extremely limited,” says Rebekah Mannix, MD, MPH, of Boston Children’s Hospital Emergency Medicine Division and author of a […]