For many years, scientists have been puzzled by individuals who live in high-elevation areas throughout the world. Surveys of high-altitude populations, from areas of the Andes to regions of the ...

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

Living at high altitudes may lower the risk of diabetes, and scientists believe they have finally figured out why.

Running is good for your health, but pushing it too far can take a hidden toll. New research shows that ultramarathons may ...

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

Running extreme distances may strain more than just muscles and joints. New research suggests ultramarathons can alter red blood cells in ways that make them less flexible and more prone to breakdown, ...

HealthDay News — Ultra-endurance running accelerates red blood cell (RBC) aging through inflammatory and oxidative pathways, according to a study published online Feb. 18 in Blood Red Cells & Iron.

Learn more about the impact ultramarathon running has on red blood cells and how it may do more harm than good for the body.

Scientists have discovered that red blood cells act as hidden glucose sponges in low-oxygen conditions, explaining why people ...