The Weizmann Institute of Science published a study in PLOS Biology that revealed that women's tears lower testosterone and aggression in men.
Researchers at the Weizmann Institute of Science in Israel have shown that social cues in human tears function as a "chemical blanket," preventing others from becoming aggressive.
The study, which was published in PLOS Biology, might explain why people cry.
In contrast to most animals, which mostly use tears to lubricate their eyes, humans and dogs cry specifically in response to different emotional states. Previously dismissed by experts as meaningless, including Charles Darwin himself, this phenomenon now seems to have a deep societal significance.
The Israeli researchers found that tears are 'chemical messages' that serve as a defense mechanism for the person shedding them. In a set of carefully monitored tests, men inadvertently breathed in saline solution or women's emotional tears—both of which have no smell.
These male...
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