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 ...

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 transfusions and organ transplants. Type ...

Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

Most major blood groups were identified early in the 20th century. Many discovered since, like the Er system first described ...

A research team has discovered a mechanism in which blood stem cells respond to acute, severe anemia, through lipoprotein metabolism modification. It has been known how immediate erythroid precursors ...

Red blood cells are the most abundant cells in the body. It has long been known that when red blood cells break down or anemia occurs due to bleeding, the hormone erythropoietin (EPO) increases, ...

Type 2 diabetes becomes more dangerous to the heart the longer a person has it. Researchers found that after several years, ...

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 ...