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 by researchers at the ...

They were randomly chosen to receive either fresh (less than ten days old) or aged (more than three weeks old) red blood cells. On average, they received the equivalent of two units.

It might sound like something out of Jurassic World but it’s true: Inside fossilized dinosaur bones, researchers have discovered 75-million-year-old red blood cells and proteins. This discovery ...

The liver normally processes bilirubin, which results from the normal death cycle of old red blood cells, however the liver becomes overwhelmed with AIHA. This results in jaundice.

One of the functions of the spleen is to remove old red blood cells. It also helps fight infections, which is why doctors want to wait until most childhood diseases are past, Rachael Conde explained.