For patients with heart failure, blood pumps can be lifesaving. But the very forces that sustain circulation can also harm it, damaging red blood cells through hemolysis and compromising the body's ...

Red blood cells (RBCs) transport oxygen throughout the body and are able to pass through a complex of narrow capillaries due to their ability to deform. "The deformability of RBCs is an important ...

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 ...

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, ...