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 ...

A routine medical test turned extraordinary for a woman from the Caribbean when doctors found something completely new in her blood. Nearly 15 years ago, while preparing for surgery in Paris, doctors ...

Transplanting organs is tricky business. If you need an organ, you can't receive a donation from just anybody; it follows the same rules as blood type compatibility. For example, someone with blood ...