Of Blood Types

There's a fairly strong belief in Japan associated with blood type, or ketsuekigata (血液型) in Japanese. Like people's astrological signs, Japanese tend to identify themselves by their blood type. This is the same as you saying, "I'm a Virgo." Instead, this time, it's "I'm blood type A." Although you may scoff at the astrological signs analogy, perhaps it would be better to bring up the idea that birth order determines personality, which is a fairly common belief in the States. As far as I can find, positive and negative don't factor in to one's blood type personality.

This began around the 1900's while trying to classify ethnic traits. Perhaps the most influential of the writings on the effects of one's blood type can be seen in Takeji Furukawa's study titled "The Study of Temperament Through Blood Type." Despite the fact that Furukawa lacked a significant amount of credentials and the study was limited to about 20 people, the idea took hold. When Japan occupied Taiwan, a search was began for why the Taiwanese resisted so much to Japanese takeover. When it was found that they had type O, interbreeding was suggested in order to dilute the genes that had apparently made them so resistant. In the 1970's, several books were released, this time by Masahiko Nomi, who was a lawyer at the time. Nomi's works also lacked scientific evidence, but the idea remains popular today.

In the modern world, these are everywhere in Japan. Facebook and Twitter allow Japanese users to put up their blood types on their profiles. Matchmaking agencies will ask that their customers reveal their blood type in order to ensure a successful match. References to it are frequently seen in magazines, and Japanese Wikipedia actually lists celebrities' blood type in their info. Friends will often ask you what your blood type is, and not knowing it blood type can lead to mixed degrees of shock.

So what makes these blood types so important? It's believed that they determine one's personality as well as one's compatibility with another individual. People will not date certain blood types because of their "negative" traits.

But surely this is just popular culture right? It's just a bunch of teenage girls with nothing better to do than look in their Cosmo magazine and try to figure out if they match up with their potential crush. Sadly, that's not the case. This is believed by everyone from youths to adults, from the common man to the most educated. In fact, the other day the head of the reconstruction effort up in Touhoku had to resign after only a week in office because he said something extremely insensitive to the victims of the disaster. By stating basically that "the country will not help you until you find decent plans to help yourself," calls for resignation rose. He blamed this on his B blood type, and although no one accepts that from a politician - because it really is a sorry excuse - people will blame their faults on their blood types normally. So, let's look at them shall we? These are divided into their positive and negative traits for each type. Whether one is A+ or A- does not matter to this chart.

A: Positive: Creative, sensible, reliable, patient, responsible, neat, takes care of others before oneself
     Negative: Overly detailed, overly earnest, stubborn, tense
B: Positive: Wild, active, creative, passionate, strong, does things that they set their mind to
     Negative: Selfish, irresponsible, unforgiving, unpredictable
AB: Positive: Cool, controlled, rational, sociable, adaptable
        Negative: Critical, indecisive, forgetful, irresponsible, has a "split personality"
O: Positive: Agreeable, sociable, optimistic
     Negative: Vain, rude, jealous, arrogant

Just for your information, type B tends to be the most common here, while back in the States, it's type O.