A fatal genetic incompatibility between Neanderthals and modern humans may have hastened the extinction of our ancient ...

Red blood cells, long thought to be passive bystanders in the formation of blood clots, actually play an active role in helping clots contract, according to a new study from researchers at the ...

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, ...

The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body. Water ...

NAINR. 2004;4(4):231-239. Mature erythrocytes are biconcave disks. RBCs with abnormal morphology may be removed from the circulation leading to anemia. Therefore, certain types of anemia may be ...

It’s driven by red blood cells and not the blood clots traditionally associated with this sort of damage. “We’ve discovered a completely new blood-clotting mechanism that has nothing to do with the ...

Blood tests are among the most common tools in medicine. Scientists are working to make blood cell imaging faster and more ...

As our hair goes gray and our muscles weaken with age, our immune system also changes. In particular, the stem cells that ...