This article was reviewed by Darragh O’Carroll, MD. Have you ever wondered if your blood type could influence the foods you should eat? That’s the idea behind the blood type diet, a nutrition theory ...

A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross.

Beyond medical implications, some cultures and scientific studies suggest that blood type influences aspects of personality, diet, and overall health. Beyond medical implications, some cultures and ...

In 2011, a woman from the French overseas region of Guadeloupe underwent routine tests before a surgery. Strikingly, doctors could not identify her blood group, which was so unique that they did not ...