And do you know which is the rarest blood group after AB negative? It's Rh-null. Researchers estimate that only one in every six million people has Rhnull blood. Rh-null blood is sometimes ...

the most rare blood type is one that occurs in fewer than one in every 1,000 people. And do you know which is the rarest blood group after AB negative? It's Rh-null. Researchers estimate that only one ...

People with type O blood enjoy a slightly lower risk of heart disease and blood clotting, but they may be more susceptible to hemorrhaging or bleeding disorders. This may be especially true after ...

While we're all more familiar with the ABO blood group system and the Rh factor (that's the plus or minus part ... only impact a small number of people. This is also the case for the new blood group. ...

O negative blood can be given to anyone in an emergency. That’s why it’s called the 'universal donor' blood type. People with O negative can only get O negative blood. So it’s harder for ...

ABILENE, Texas — Hendrick Regional Blood Center is experiencing a critical shortage of O-negative and O-positive type blood. They are hosting a blood drive Tuesday through Thursday to help ...

Blood type’s influence extends far beyond compatibility for blood donations, affecting the body through multiple biological ...