Add Yahoo as a preferred source to see more of our stories on Google. human red blood cells under microscope with two white blood cells A pregnant woman's blood sample taken in 1972 was mysteriously ...

The first study to look at the prevalence of lesser-known blood groups within the Australian population that need to be "matched" during a blood transfusion shows they have changed, most likely due to ...

A major retrospective study shows that people with blood group A face a higher likelihood of autoimmune liver disease, especially primary biliary cholangitis, while those with blood group B appear ...

Blood is categorised by the naturally occurring proteins and sugars on the surface of red blood cells. Jon Åslund/Flickr, CC BY Few discoveries have revolutionised the practice of medicine as much as ...

A French woman from the Caribbean island of Guadeloupe has been identified as the only known carrier of a new blood type, dubbed "Gwada negative," France's blood supply agency has announced. The first ...

A pregnant woman's blood sample taken in 1972 was mysteriously missing a surface molecule found on all other known red blood cells at the time. More than 50 years later, that strange absence finally ...