| in Did You Know Facts
In Japan, you may be asked for your blood type instead of your sign.
Blood type personality, or ketsueki-gata, is a Japanese belief that it's one's blood type that may determine aspects of their personality. According to Very Well Health, the pseudoscience can be traced back to 1930 when a professor named Tokeji Furukawa suggested the possibility that there could be a correlation between blood types and certain traits. People with A blood are thought to be creative and stubborn, for example, while those with O are confident and self-centered.