There are rare blood types beyond the eight most common ones, and researchers have discovered one more that brings the total count to 49. Blood type A(B) is caused by a four gene mutations and was ...

A French woman from Guadeloupe is the only known person in the world with the "Gwada negative" blood type. Anuwar Hazarika / NurPhoto via Getty Images In 2011, a French woman was undergoing routine ...

Scientists have converted the blood type of a donor kidney and transplanted the organ into a person. The procedure — the first of its kind — could improve access to donor organs, specialists say, ...

A new type of blood test could help detect multiple cancers early. A team of researchers in California studied a new multi-cancer early detection (MCED) test called Galleri, which can reportedly ...

The numerous health benefits of blood testing include screening and prevention, particularly with high cholesterol, blood glucose, and elevated hormone levels. By analyzing your blood test results, ...

Human blood already comes in a bewildering variety of types, but researchers have now identified a new one so rare that only three people on the planet are known to carry it. The finding exposes just ...