If you are a member of blood group O, especially O negative or O positive, you belong to one of the most significant blood types in the world—both medically and genetically.
Blood group O is often called the “universal donor” (especially O negative) because it can be given to people of all other blood types in emergencies, when there’s no time to test the patient’s blood type. That makes your blood highly valuable in hospitals and blood banks.…CONTINUE FULL READING>>>>