Red blood cells are complex — there's much more to blood types than A, B and O. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Many people know ...

Dr. Karl Landsteiner won the Nobel prize in 1930 for developing the ABO blood group system. The ABO system is the best known method of classifying blood types. It’s important to know your blood type ...

The exact composition of blood varies between people. This difference in structure is what makes a person’s blood type. Most people use the ABO system to group blood types, and rhesus factor, which is ...

Different blood types are prevalent in different parts of the world. In the United States, AB-negative is the rarest blood type, while O-positive is the most common. Your blood type is based on ...

A blood group is defined as the entire blood group system that is made up of red blood cell (RBC) antigens. Taken together, the specificity of RBC antigens is controlled by a series of either allelic ...

A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross.

The ABO-Rh system of blood group typing is an immensely successful method that helps medical professionals safely perform blood transfusions throughout the world. Scientists from the French Blood ...

"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 ...

Researchers have discovered a potential link between a specific blood type and an increased risk of breast cancer. Their worrying results come at a time when breast cancer is among the most common ...

The rarest blood type is Rhnull. Unlike other blood types, people with Rhnull blood have no Rh antigens on their red blood cells. Healthcare professionals classify blood type according to the presence ...