Red blood cells are the most abundant cells in the body. It has long been known that when red blood cells break down or anemia occurs due to bleeding, the hormone erythropoietin (EPO) increases, ...

Most major blood groups were identified early in the 20th century. Many discovered since, like the Er blood system first ...

R esearchers looking into a 50-year-old mystery surrounding a rare missing antigen have discovered a new blood group system ...

A research team has discovered a mechanism in which blood stem cells respond to acute, severe anemia, through lipoprotein metabolism modification. It has been known how immediate erythroid precursors ...

The best part: in every test so far, the cloaked cells otherwise act just like naked red blood cells. Their membrane remains ...

Blood plays a vital role in keeping us alive, but why is it red? And why do some animals have blue or green blood? An expert ...

We now know why some blood is missing a key antigen—leading to the creation of a new blood-grouping system. Experts believe ...

Dear Reader: When someone’s red blood cells become abnormally large, it is a condition known as macrocytosis. These enlarged ...

You have around 35 trillion red blood cells moving around your body at all times. Typically they are rounded and flexible. What happens when they aren’t?

People with sickle cell are vulnerable to strokes caused by a blood vessel to the brain either bursting or becoming clogged, researchers said. Following a landmark 1998 clinical trial, doctors adopted ...

Wendy Tabron, American Red Cross -National Biomedical Partnership Officer, said the Red Cross needs blood every two minutes. ...

September is National Sickle Cell Awareness Month, and this month the American Red Cross is recognizing the critical need for ...