Japan and blood types: Does it determine personality?
FULL ARTICLE HEREAre you A, B, O or AB? It is a widespread belief in Japan that character is linked to blood type. What's behind this conventional wisdom?
Blood is one thing that unites the entire human race, but most of us don't think about our blood group much, unless we need a transfusion. In Japan, however, blood type has big implications for life, work and love.
Here, a person's blood type is popularly believed to determine temperament and personality. "What's your blood type?" is often a key question in everything from matchmaking to job applications.