Scientists have converted the blood type of a donor kidney and transplanted the organ into a person. The procedure — the ...

A man diagnosed with brain death received a kidney that was modified to be type O, which is compatible with all blood types ...

The type of blood clot a person has will typically depend on where they affect a person’s body. Although they have different causes and symptoms, blood clots can have serious or fatal complications.

White blood cells help your body fight inflammation and infections. A high or low white blood cell count may be associated with a number of short-term or long-term health conditions. White blood cells ...

Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.