941,457 views
????☠️Join the Knowledge Pirates membership / @studio_pirates ☠ Curious? Just subscribe and like and we'll take care of the looting! ???? Long ago, before MBTI became popular, a ridiculous pseudoscience was popular. The theory that personalities differ depending on blood type... aka 'blood type personality theory'! This started in Japan and was imported to Korea. Maybe it was because it was such a hit, but Koreans and Japanese people are still very interested in their own blood types and those around them. It's even common for blood types to be written in the settings of characters in movies, games, and animations. Of course, no one believes that these days. Needless to say, it's pseudoscience with no basis. In fact, if personalities were determined by blood type, all Germans would be timid, all Indians would be bad guys, and all South American natives would be good-natured. Blood types originally vary considerably by region and race. But blood type... If it is not a personality or anything, why does it exist? Why are the blood type ratios different in each region and ethnicity? Let's look at several hypotheses. #Blood type #Immunity #Founder effect