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What is the most common blood type? Here's which is most (and least) common.

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.
Inverse

Blood Tests Are Far From Perfect — But Machine Learning Could Change That

If you’ve ever had a doctor order a blood test for you, chances are that they ran a complete blood count or CBC. One of the most common blood tests in the world, CBC tests are run billions of times ...
Lansing State Journal

The 5 most common blood tests and what they tell you about your health

Diagnostic tests are important in every area of life. If you experience an issue with your car, a diagnostic test provides a quick and accurate assessment of your vehicle so it can be fixed. In ...
IFLScience

In Certain Rare Circumstances Your Blood Type Can Change

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...