Red Cross phlebotomist technician Michael Reihms draws blood from double-red participant Shaun Ralston at the blood drive at the Red Cross headquarters in Concord on Friday, February 28, 2026. Ralston ...
(WASHINGTON – Feb. 18, 2026) – 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 ...
While exercise is important for a long and healthy life, ultramarathons may accelerate the ageing of cells in our blood. Athletes who ran 170 kilometres over mountainous terrain accumulated more ...