There is still a debate about very high-level endurance exercise. While most recreational runners show no lasting harm, some ...

Elevations in cardiac troponin (cTn) after long bouts of aerobic exercise are not associated with subclinical coronary artery disease in middle-aged athletes, a new study shows. The release of cTn ...

A marathon pushes the human body close to its limits. Legs tire, lungs burn, and the heart works hard for hours on end. For years, that strain has raised an uncomfortable question: does running 26 ...