Blood types are a classification of blood based on the antigens present in red blood cells. In the United States, O-positive is the most common blood type, and AB-negative is the rarest. A blood ...

The blood type diet recommends that people with different blood types eat differently. For example, people with type O blood may want to eat more protein. Although the diet has become popular, it ...

There’s no scientific evidence to suggest that A+ blood should affect your personality or determine your diet. However, it does affect how you can donate or receive blood. If your blood is A positive ...