These factors help define the eight most common blood types: A positive, A negative, B positive, B negative, O positive, O negative, AB positive and AB negative, says the Red Cross. But of these ...

AB negative is the rarest blood type, with only 0.6 percent of people born with it. Are you curious which is the most common blood type? Let us find out. The Most Common Blood Type is O positive ...

Not everyone on Earth has the same blood type. Researchers are still trying to figure out why there are so many, but these different blood types can have deadly downsides. The surface of our red ...

ONE of the most common blood types has been identified as a potential breast cancer risk factor by scientists. Breast cancer is the most common cancer among women worldwide, so identifying risk ...