Red blood cells are an important component of blood. ... They are red in color and shaped like a disk, with a flat center that causes a slight indentation in the middle.

Blood can sometimes look orange or yellow in people with high levels of bilirubin, a yellowish substance produced when red blood cells break down. This might indicate liver problems or certain ...

In a routine blood test that turned extraordinary, French scientists have identified the world’s newest and rarest blood group. The sole known carrier is a woman from Guadeloupe whose blood is so ...

Inside your bones, red marrow helps make red blood cells, platelets, and white blood cells, including plasma cells. There are about 5.7 pounds of it inside the bones of an average adult. Yellow ...

Researchers have identified ways in which chemotherapy can damage healthy cells and found that some drugs can add decades of "age" to otherwise normal blood cells. News Today's news ...

Polychromasia is a blood condition marked by immature red blood cells. Learn what causes it, how it’s diagnosed, its symptoms and Treatment options.

For people with SCD, hemoglobin S (a mutated protein that transports oxygen) causes red blood cells to become curved (sickle-shaped) and stiff. This disrupts how easily red blood cells and the oxygen ...

A high red blood cell count can occur for many reasons, including excessive production of cells, ... Doctors instead look at a person’s overall health, risk factors, and symptoms.

A Power Red donation takes your red blood cells and gives back your plasma and platelets. The red blood cells are typically given to "trauma patients, newborns and emergency transfusions during ...