An international study co-led by researchers from the University of Massachusetts Amherst and Helmholtz Munich in Germany has ...

In a groundbreaking discovery, scientists have identified a new blood type that is so rare it exists in only one person on Earth. The blood type, called “Gwada negative,” was found by researchers at ...

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 ...

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 ...

Hereditary hemochromatosis is a group of hereditary conditions that cause your body to absorb too much iron. They’re usually treated by regularly removing blood to reduce iron levels. People with ...