39+ A Blood Type History Background. It's a pretty basic health question with a pretty bizarre history. A blood type (also known as a blood group) is a classification of blood, based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells (rbcs).

Learn about blood typing and the rarest and most common types of blood and how they can impact your blood donation.

We'll come back to this diet theory, but first lets look at a brief history of blood types and examine the reports of various illnesses. Blood consists of several types of cells floating around in a fluid called plasma. You inherit genes from your parents — one from your mother and one from your father for example, if you have type b blood that's mixed with type a blood during a transfusion, your antibodies will work to destroy the a antigens. You inherited your blood types from your parents and the environment in which you live cannot change them.