im not trying to sound racist or any thing so dont get the wrong idea for this quetion.
last year i went an art museum and there were asin students in their and i noticed a few of them waring face masks (docter type), and then i remembered seeing a lot of other asians warinf face masks on tv and in some anime cartoons... so is there like some kind of common lung problm or what? idk this has just been in the back of my mind for some time so im just now asking.