Everyone has a blood type, but do you know what yours is and what it means for your body? Do you know that your blood type ...

While everyone’s blood is made up of the same basic parts, there’s a lot of variety in blood types. Blood is classified into types to ensure that when you donate or receive blood, it is ...

Human populations that left Africa evolved quickly whereas Neanderthals stayed the same, according to an analysis of blood group systems.

New research suggests that blood group B may be associated with slower aging, although not without risks for these people.

The antigens on a person's red blood cells are recognized as safe by the immune system, but someone with type B blood will have antibodies that attack type A antigens, for example. Another ...

What Is the Blood Type Diet? The idea behind the Blood Type Diet is that we all have different nutritional needs depending on our blood type — O, A, B, or AB. According to the Blood Type Diet ...

Red blood cells (RBC) can be present in urine even when ... and other health conditions. There are two types of hematuria. One is called “gross hematuria,” which occurs when a person can ...