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

Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing. For many years, ...

Red blood cells (RBCs), traditionally regarded as passive oxygen carriers, are now recognized as highly dynamic regulators of immune and vascular ...