In a routine blood test that turned extraordinary, French scientists have identified the world’s newest and rarest blood group. The sole known carrier is a woman from Guadeloupe whose blood is so ...

Step aside A, B, and O—there’s a new player in town. Scientists in France have just reported the discovery of a novel, rare blood type, only recorded in a single person to date. The French Blood ...

Before you go in for your next appointment, here is what you need to know about blood donations and answers to some ...

Research suggests a surprising link between blood type and stroke risk, with people carrying one specific group A blood type facing a higher likelihood of stroke before age 60. This finding, published ...

Orlando, Fla. -- An international search is on to find some of the rarest blood in the world to help save the life of a 2-year-old South Florida girl. Zainab has neuroblastoma, an aggressive form of ...

In 2011, a woman from the French overseas region of Guadeloupe underwent routine tests before a surgery. Strikingly, doctors could not identify her blood group, which was so unique that they did not ...

The donor must be of Pakistani, Indian or Iranian descent. The family of a 2-year-old girl battling an aggressive form of cancer is desperately searching for a rare blood type that will allow her to ...