Most humans fall into one of four blood groups — A, B, AB or O. Ordinarily, your blood type makes very little difference in your daily life except if you need to have a blood transfusion. Other WRAL ...

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? There are four main blood types: A, B, AB and O.

Enzymes produced by gut bacteria can remove long sugar chains in type A and B blood, leading to improved compatibility with type O. When you purchase through links on our site, we may earn an ...

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 ...