‘What blood type are you?’ is a common question that I get asked here in Japan. Most westerners don’t have a clue, myself included, but most Japanese seem to know. My wife even seems to know my blood type, based purely on my personality! ‘O’ apparently!
Read this story to find out more about the subject.
http://web-japan.org/nipponia/nipponia29/en/wonders/index.html
