Sickle cell disease is caused by a single genetic mutation that alters the shape of red blood cells. While the condition causes severe pain and health complications, carriers gain resistance to ...

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 ...

In healthy red blood cells (RBCs), myosin fibers (blue) contract, pulling on actin (pink) and spectrin proteins (purple) connected to the cell membrane and helping to give the cells their distinct, ...