Blood type personality tests became popular in Japan in the 1920s, but many people around the world and now interested in this possible objective way to look at their personality. Personality typing ...

Blood type personality is a Japanese concept called ketsueki-gata that posits that blood type shapes one’s temperament. Ketsueki-gata is considered a pseudoscience, a body of thought that appears to ...

A rare new blood type has been discovered, so "step aside A, B and O – there's a new player in town", said Gizmodo. So far, the "Gwada negative" blood type has been identified only in one person: a ...

ROCHESTER — The Mayo Clinic Blood Donor Program is issuing an urgent call for type O-negative blood donors. It is currently facing a critical shortage of O-negative blood, according to a press release ...