Medically reviewed by Amelia MacIntyre, DO There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative.Knowing your blood type is important for safe blood ...

More than 100 years ago, Dr. Karl Landsteiner discovered that not all red blood cells are alike. He found that, when different people's blood was mixed, it would often clump up and curdle, destroying ...

Most humans fall into one of four blood groups — A, B, AB or O. Ordinarily, your blood type makes very little difference in your daily life except if you need to have a blood transfusion. Other WRAL ...

Your blood type affects everything, from a predisposition to certain diseases to your heart health. Knowing your blood type is important information that can come in handy during a medical emergency.

Several genes with varying inheritance patterns are involved in determining your blood type. The most significant gene is the ABO gene which determines your ABO blood type. Like many of your physical ...

ORLANDO, Fla. (Ivanhoe Newswire) - Does it seem that mosquitos are just attracted to you? It turns out — they could be. A study in the Journal of Medical Entomology found that one type of mosquito ...

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 ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...