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23 Dec 2023

Human Tears Can Reduce Male Aggression by 40%

Researchers at the Weizmann Institute in Israel discovered sniffing women's emotional tears [reduces male aggression by over 40%](https://www.theguardian.com/science/2023/dec/21/human-tears-ease-aggression-study-brain?CMP=twt_b-gdnnews). The study reveals that human tears contain a substance that reduces aggression, possibly evolved to protect infants. Previous studies linked tear-sniffing to decreased male testosterone. Dr. Shani Agron collected tears from sad movies to conduct the research.