Red blood cells are important mediators of the innate immune system. Depending on the cellular environment, these cells either activate the immune system or maintain the system in a dormant state. In ...

There are no absolute recognized clinical indications for the transfusion of whole blood, and therefore blood is separated into its components (red cells, platelets and plasma) prior to transfusion.

Every two seconds someone in the U.S. needs a blood transfusion, according to the American Red Cross. “Blood transfusion is a highly critical, life-saving clinical procedure for a variety of patients, ...

Our bodies still hold plenty of secrets, and scientists have just uncovered a doozy: the lungs play a key role in producing blood. Until now, this task was ascribed solely to bone marrow, but studies ...