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.

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

Although blood tests definitively excluded Chaplin as the ... researchers often turned to people's ABO phenotypes when such issues arose; however, ABO blood group information could only be used ...

There are ABO antigens, which designate ABO blood ... I recommend calling your doctor's office to see what a blood type test costs out-of-pocket and if it's covered by insurance.