There are rare blood types beyond the eight most common ones, and researchers have discovered one more that brings the total count to 49. Blood type A(B) is caused by a four gene mutations and was ...

If fad diets were a sport, the Blood Type Diet would be the comeback kid—re-emerging every few years with a fresh coat of pseudoscientific polish. Once a relic of early-2000s wellness trends, it’s now ...

Human blood already comes in a bewildering variety of types, but researchers have now identified a new one so rare that only three people on the planet are known to carry it. The finding exposes just ...