The four major blood groups are based on whether or not you have two specific antigens — A and B. Doctors call this the ABO Blood Group System. The third kind of antigen is called the Rh factor.

French researchers have identified a blood test that could revolutionize how amyotrophic lateral sclerosis (ALS) is diagnosed ...

Intermittent fasting may reduce the risk of blood clots and cardiovascular disease by inhibiting platelet activation.