A recent study delves into the science, but doctors say there’s more to it.

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.

RED blood cells (RBC) serve as a primary glucose sink during hypoxia, a 2026 study has found. RBCs were found to act as ...

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

A study shows ultramarathon running induces oxidative stress and structural damage in red blood cells. Multiomics analyses revealed protein oxidation, copper accumulation, and reduced cell flexibility ...

After a long trail race, some of your red blood cells may not bend the way they should. That matters because red blood cells have a tight job description.

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 ...

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