Study finds out why it's gross to kiss your sister : 3 discussions
Researchers who wanted to find out why it is not only taboo to kiss your sister, but also disgusting, said Wednesday that they have discovered why in a discovery that challenges some basic tenets of Freudian theory. (more) Related Vids:

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Tags: Sex Crimes Applied Sciences Sigmund Freud John Tooby University Hawaii University California Siblings Family relationships Incest
Forum Discussions about this News:
	It's gross to kiss your sister ... and here's why
	WASHINGTON (Reuters) -- Researchers who wanted to find out why it is not only taboo to kiss your sister, but also disgusting, said Wednesday that they have discovered why in a discovery that chall..
	Study Finds Out Why It's Gross to Kiss Your Sister
	Hey....that's a redneck tradition! Whatever happened to keeping it in the family??ind..
	Study finds out why it's gross to kiss your sister
	WASHINGTON (Reuters) -- Researchers who wanted to find out why it is not only taboo to kiss your sister, but also disgusting, said Wednesday that they have discovered why in a discovery that challenge..