Humans' blood groups are characterized by proteins and sugars — called antigens — found on the surface of red blood cells. Many people are familiar with the ABO blood typing system, which lumps blood ...

If you don't know your blood type, you're not alone. However it is important medical information to know, and here's how you can find it.

Dr. Karl Landsteiner was awarded the Nobel Prize in 1930 for his development of the ABO blood group system, a method used to ...

Many people are familiar with the ABO blood typing system, which lumps blood into the groups A, B, AB and O. The antigens on a person's red blood cells are recognized as safe by the immune system ...

In this study, the researchers used two large, independent, prospective cohort studies to examine the relationship between ABO blood type and risk of pancreatic cancer. Data were collected on a ...

Blood types are determined by antigens -- a substance that triggers an immune response -- on the surface of red blood cells. There are ABO antigens, which designate ABO blood types. This is ...