Your blood type is determined based on specific antigens present in your blood. You can find out your blood type by asking your doctor for a test, donating blood, or taking an at-home blood test. Your ...

Different blood types are prevalent in different parts of the world. In the United States, AB-negative is the rarest blood type, while O-positive is the most common. Your blood type is based on ...

Knowing their blood type can help people better understand their health and be more informed about potential treatments. A person can find out their blood type with a blood test or other methods. The ...

Here's a breakdown of the most rare and common blood types in the U.S. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Different people have ...