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 ...

From your personal year number to your blood type to your Enneagram, these popular tools tell you all about you.

Beyond medical implications, some cultures and scientific studies suggest that blood type influences aspects of personality, diet, and overall health. Beyond medical implications, some cultures and ...

There are many theories about what determines someone’s personality. The majority of personality theories related to outside forces—such as zodiac signs and blood type—have largely been debunked as ...