AB positive. If you have this rare blood type (found in 3.4% of Americans), you can receive blood or plasma of any type. You’re known as a universal recipient.

Did you know that your blood type can make you a lifesaver? Whether you're an O- universal donor or an AB+ universal ...

A blood sugar chart can help a person know if their glucose levels are within a suitable range. If a person has diabetes, a doctor will make a plan to suit them.

There are three main blood tests to check for compatibility between donor and recipient: Blood type test. This makes sure your blood type and the recipient's blood type are a good match.