Long-distance running, like marathons and ultramarathons, may not always be the health badge we thought it was. In fact, it could increase your cancer risk, according to a new study out of Virginia.

One year after a hit-and-run crash left her critically injured, Michaela Howk has resumed physical training and is preparing ...

A groundbreaking new study led by Dr. Tim Cannon, a medical oncologist at Inova Schar Cancer in Fairfax, has revealed a potential link between extreme endurance exercise and increased risk of advanced ...

Joan Benoit Samuelson is victorious with the American flag after winning the marathon race at the 1984 Summer Olympics in Los Angeles. (Photo by Manny Millan/Sports Illustrated via Getty Images) Joan ...