Weizmann Institute scientists discover: A chemical signal in human tears

Saturday, January 8, 2011 - 08:30 in Psychology & Sociology

Emotional crying is a universal, uniquely human behaviour. When we cry, we clearly send all sorts of emotional signals. In a paper published online today in Science Express, scientists at the Weizmann Institute have demonstrated that some of these signals are chemically encoded in the tears themselves. Specifically, they found that merely sniffing a woman's tears - even when the crying woman is not present - reduces sexual arousal in men...

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