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, ...

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 ...

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

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

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

Human bodies make 2 million red blood cells per second. They each live for 120 days and spend that time zooming completely around the body every 20 seconds, carrying oxygen from the lungs to other ...

They’re running themselves ragged — and possibly fast-tracking Father Time. Ultramarathons are surging in popularity, with more than 100,000 North Americans racing beyond 26.2 miles last year, nearly ...

Efforts to develop lab-grown blood cells for blood transfusions may soon materialize. Since 2021, the National Health Service (NHS) in the United Kingdom has been working on RESTORE— a project ...

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 ...