There’s more history in your blood types than you think, and it didn’t begin with humans. Here’s what we know about them, ...

New research reveals that your blood type may influence disease risk—but experts say lifestyle still matters far more.

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.

Add Yahoo as a preferred source to see more of our stories on Google. The ABO-Rh system of blood group typing is an immensely successful method that helps medical professionals safely perform blood ...