Learn more about red blood cells, transporters of oxygen throughout your body, including vital organs and tissues.

Red blood cells are complex — there's much more to blood types than A, B and O.

Blood usually falls into a few widely recognized categories or types, based on the proteins that are expressed on the surface of red blood cells. For example, A or B antigens may be present there, ...

Your diagnosis of an early-stage blood cancer, such as a MPN or MDS, means that something has changed in the way your bone ...

It sounds like science fiction. Scientists take ordinary skin or blood cells, rewind them to a stem-cell state, then ...

New research has identified yet another way that spaceflight tampers with the human body. A study involving samples flown on ...

The body has an intricate system to defend against infections where each type of immune cell plays a distinct role. Now, a ...

This may help treat chronic wounds or diabetic ulcers—and one day maybe degenerative diseases, nerve damage and bone ...

It develops from the abnormal multiplication of T cells, or T-lymphocytes, a type of white blood cell essential for immune system function. The specific treatment course and prognosis for T-cell ...