EVERYONE HAS a blood group, defined by the characteristic chains of sugar molecules, or antigens, that protrude from their red blood cells like spikes on a hedgehog’s back. Not all these groups are ...

Scientists move one step closer to "universal" donor organs with a successful kidney transplant in a brain-dead patient.

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 ...

For nearly three decades, the Blood Type Diet has captivated health-conscious individuals with its alluring premise: eat according to your blood type and unlock exceptional health. The concept, ...