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

Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a study published in the American Society of Hematology's journal Blood Red ...

Ultramarathons might push red blood cells past their limits—accelerating their aging in the process.

On the average, humans – and pigs, and deer, and birds – who live at high altitudes have better blood glucose control than ...

No matter your age, regular blood work can be an important tool for understanding and optimizing your overall health. Finding certain markers in your blood allows healthcare professionals to gain ...