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 ...

Share on Pinterest Scientists have found a link between a genetic variant linked to blood groups and obesity. Michelle Himes/Getty Images Researchers know that genetics play a role in obesity.

The discovery of the 48th recognized blood group, called "Gwada-negative", began when the woman's blood plasma reacted against every potential donor sample tested, including those from her own ...

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 following essay is reprinted with permission from The Conversation, an online publication covering the latest research. In a routine blood test that turned extraordinary, French scientists have ...