Do you know your blood type? Don't worry if you don't. Blood type matters if you know you're going to have surgery or you're ...

Ever wondered why that one friend gets the stomach flu almost every year, while the rest of your friends are totally fine? Or why your partner never seems to contract the illness, even when you do?

That seemingly arbitrary letter you rarely think about could be silently influencing your health in surprising ways. Your blood type, determined before birth and unchanged throughout life, extends far ...

It is possible for blood type to change, and in some cases, this can happen without a blood transfusion. When someone is born, their blood type is determined, so everyone should know what their blood ...

Ever wonder why some people seem to catch every stomach bug going around while others rarely fall ill? The answer might lie in your blood type and genetic code. Recent research reveals fascinating ...

White blood cells are important foot soldiers in the immune system, but their numbers can be cut by health conditions or treatments like chemotherapy. Yale scientists have now discovered a molecule ...