sometimes adults who do not have medical problems also wear diapers. this can be for different reasons. sometimes it is because they have a profession where they cannot always get to a bathroom, like astronauts. some adults wear diapers for fun. this is usually a form of sexual pleasure, or for emotional reasons. these people are often called "diaper-lovers" or "adult-babies." the scientific term for liking to wear diapers is "diaper fetishists."