Add Yahoo as a preferred source to see more of our stories on Google. The kidney, pre-transplant, in a perfusion device which is used to circulate a solution that contains the converting enzymes.

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, ...

Human blood already comes in a bewildering variety of types, but researchers have now identified a new one so rare that only three people on the planet are known to carry it. The finding exposes just ...

For those with kidney failure, a transplant is often the greatest promise of a healthier, longer life. Yet thousands wait years for a match that never comes. Incompatibility of blood type is one of ...