Talk about a lonely hearts club. An unidentified woman from Guadeloupe has the rarest blood type on Earth, to the extent that she’s only compatible with herself. The 68-year-old is thus far the only ...

To say that blood is vital is a huge understatement. It flows through the organs that make up the circulatory system — the heart and blood vessels and veins — delivering oxygen, nutrients, and ...

In a groundbreaking development, French scientists have identified the world’s rarest blood group, known as Gwada-negative. It's a blood group so rare that only one woman in the world is known to have ...

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 ...

This reality points towards a futuristic solution: lab-grown blood cells. Scientists are already working on growing red blood cells from stem cells that could be genetically modified to match ...

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 ...

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 ...

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 ...

FRESNO, Calif. (KFSN) -- When you give blood at the Pint For A Pint Blood Drive, you don't always put a face to the people you are helping. We're introducing you to a four-year-old Fresno girl who ...