Um estudo sobre o nojo será um nojo de estudo? Não necessariamente:
http://www.telegraph.co.uk/news/science/science-news/12169047/Why-sweaty-strangers-are-more-disgusting-than-sweaty-friends.html
Citando:
"Psychologists found that a person’s ‘core’ disgust response is reduced if the source is within their own social group."
