Stephan Pinker has argued that swear words cause a involuntary negative emotional response similar to the slight of an angry face: http://pinker.wjh.harvard.edu

Stephan Pinker has argued that swear words cause a involuntary negative emotional response similar to the slight of an angry face: http://pinker.wjh.harvard.edu/books/stuff/media_articles/TNR%20Online%20%20What%20the%20F%20 http://pinker.wjh.harvard.edu/books/stuff/media_articles/TNR...(1%20of%203)%20(print).htm So parents not wanting there children to hear taboo words would seem to be better considered as another example of not wanting their children to exposed to negative/frightening experiences.