Running extreme distances may strain more than just muscles and joints. New research suggests ultramarathons can alter red ...

A study shows ultramarathon running induces oxidative stress and structural damage in red blood cells. Multiomics analyses ...

Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a ...

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes ...