japan bloodtype

Root cause: inexplicable social manias
The latest Japanese craze is to determine everything one needs to know about people by which of the four blood types they are (A, B, AB, O), and professional exploiters are raking in money feeding the craze. The data suggest that, as usual, the practitioners of crazes are of two minds: In situations requiring intellectual sobriety, they say, of course, it's all light fun. But then, in the next breath, it's inescapable that they form important impressions of people based on their new-found, clear-cut knowledge of human nature. Associated Press via Seattle Times