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

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

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

A study published 19 February in Cell Metabolism, a Cell Press journal, found red blood cells step in as a major 'glucose ...

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

(This is an excerpt of the Health Rounds newsletter, where we present latest medical studies on Tuesdays and Thursdays.) Feb ...

By Dennis Thompson HealthDay ReporterTHURSDAY, Feb. 19, 2026 (HealthDay News) — Ultra-marathon runners must be incredibly fit to endure races that can extend more than 100 miles, but their bodies pay ...

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

Your blood cells work tirelessly to keep you alive, carrying oxygen throughout your body and fighting off infections. But hidden in your daily meals are foods that can silently compromise these vital ...

Mouse red blood cells infected with the parasite Babesia microti acquired the ability to move, offering new insight into host-pathogen interactions.