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.

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.

(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 ...

The NHS has shared several symptoms of iron deficiency anaemia, with one that may show up in the leg. Iron plays a vital role ...

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, ...

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

Cancer specialists have long known that anemia, caused by a lack of healthy red blood cells, can arise when cancer metastasizes to the bone, but it’s been unclear why. A research team led by Princeton ...

Consuming iron-rich foods, alongside strategies that optimise iron absorption, can significantly prevent and manage iron deficiency.

Most people think of iron deficiency as something that shows up clearly in a blood test. But in recent years, researchers and clinicians have begun paying attention to a less noticeable condition that ...