More than 100 years ago, Dr. Karl Landsteiner discovered that not all red blood cells are alike. He found that, when different people's blood was mixed, it would often clump up and curdle, destroying ...

Most people don’t spare a thought for their blood type unless they’re in need of a transfusion — but could yours hold secrets to your health? There are four main blood types: A, B, AB and O.

SAN ANTONIO – Thanks to efforts from doctors, researchers, health care providers and nonprofits such as Blood Cancer United, certain types of blood cancers are no longer the terminal diagnoses that ...

There are several types of blood donations: whole blood, Power Red, platelet and plasma donations, according to the American Red Cross. As a result, there are different processes for donating blood.

Blood has many functions and circulates throughout your body. As a result, problems with it can affect you in many ways. Some of those problems can stem from a blood disorder. These disorders can ...