In a groundbreaking discovery, scientists have identified a new blood type that is so rare it exists in only one person on Earth. The blood type, called “Gwada negative,” was found by researchers at ...

Red blood cells are complex — there's much more to blood types than A, B and O. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Many people know ...

Enzymes produced by gut bacteria can remove long sugar chains in type A and B blood, leading to improved compatibility with type O. When you purchase through links on our site, we may earn an ...