Can Blood Type Determine Your Personality?

I have a rare blood type—AB+, which only 4 percent of the U.S. has—and secretly, I always thought it made me kind of special, even though I had no basis for that belief. But in Japan, blood type is used to determine one’s personality and temperament. Like astrology, the scientific community often dismisses blood type as an indicator of personality, but that doesn’t stop its popularity in Japanese women’s magazines...