Blood type is a small detail that feels almost administrative—something for blood drives and hospital forms—yet it sits at ...

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 ...

"This study highlights the potential of blood type A as a risk factor for breast cancer compared to blood type O." “This study highlights the potential of blood type A as a risk factor for breast ...

One of the most important characteristics of blood is its type. Knowing your blood type is essential for several healthcare situations. Knowing someone's blood type is important for blood transfusions ...