Amazed with the blood group is likened to 'pure gold', and only 43 people in the world have it
What do you think is the rarest blood group in the world? Hint: The answer is not Rh-.Blood groups reveal your health
We all belong to one of the four blood groups A, B, AB and O, collectively referred to as ABO. Blood type is hereditary, for example blood type O and blood group B, born babies