Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

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, ...

Elizabeth Iffrig is in the Department of Pediatrics and the Wallace H. Coulter Department of Biomedical Engineering at Georgia Institute of Technology and Emory University, Atlanta, Georgia 30332, USA ...

(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 brain relies on real-time delivery of oxygen and nutrients through its microvasculature, which threads through neural tissue like electrical wires.

Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a recent study. Although the duration and long-term implications of the ...