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.

Most people don’t spare a thought for their blood type unless they’re in need of a transfusion — but could yours hold secrets to your health? And is one better than the others? The short answer: No, ...

It is possible for blood type to change, and in some cases, this can happen without a blood transfusion. When someone is born, their blood type is determined, so everyone should know what their blood ...

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 ...