“I’m going to keep doing it until they tell me to stop,” said Nigel Vaughan, who has donated his blood nearly 250 times ...

Add Yahoo as a preferred source to see more of our stories on Google. blood vial screen An investigation into why blood doesn't always behave as doctors expect has revealed a super-rare mutation in an ...

To say that blood is vital is a huge understatement. It flows through the organs that make up the circulatory system — the heart and blood vessels and veins — delivering oxygen, nutrients, and ...

In a routine blood test that turned extraordinary, French scientists have identified the world’s newest and rarest blood group. The sole known carrier is a woman from Guadeloupe whose blood is so ...

A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross.

There are rare blood types beyond the eight most common ones, and researchers have discovered one more that brings the total count to 49. Blood type A(B) is caused by a four gene mutations and was ...

As blood banks across the U.S. report dangerously low supplies of O-negative blood (red blood cells) - commonly called the "universal donor" - anesthesiologists are calling for increased donation and ...

In 2011, a woman from the French overseas region of Guadeloupe underwent routine tests before a surgery. Strikingly, doctors could not identify her blood group, which was so unique that they did not ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...