I worked with some Koreans and asking them about Fan Death is something they’ll laugh about like it’s silly but then say “but for real, you should open the door

I worked with some Koreans and asking them about Fan Death is something they’ll laugh about like it’s silly but then say “but for real, you should open the door if you run your fan, just in case”. I’d imagine they feel similarly about blood types. People believe it the way they believe astrology.