Your blood type may be a window into your health. From heart disease and strokes to certain types of cancer, here's why blood ...

There are four major blood type groups: A, B, AB, and O. Your blood type is determined by the presence or absence of specific ...

which program our blood cells differently to form the different blood groups. If you have type AB blood, for example, your body is programmed to produce A and B antigens on red blood cells.

James Harrison’s legacy is at the heart of a wild story about canny science, boundless goodwill and an errant blood transfusion vanquishing a devastating and deadly disease.

In cases of questioned paternity, ABO blood-typing can be used to exclude a man from being a child's father. For example, a man who has type AB blood could not father a child with type O blood ...