A cancer doctor has revealed that extreme and incessant running can increase the risk of advanced precancerous colon growths known as adenomas in younger adults. These growths can cause colon or ...

The three patients should have been portraits of health. They were young, lean and physically active. Unusually active, in fact: Two regularly ran 100-mile ultramarathons, and one had completed 13 ...

Sébastien Foucan is built like a soccer player, possessing the kind of physique that falls somewhere between a meaty-thighed sprinter and a sinewy marathoner. The Frenchman keeps his hair shaved close ...

Extreme endurance running can damage red blood cells and accelerate ageing, according to a study. Running is one of the most studied forms of exercise with proven benefits across the body, especially ...