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WTF Fun Fact - Killer Painkiller

WTF Fun Fact – Opiophin

October 31, 2019 by WTF

Human saliva contains a painkiller called Opiophin that is roughly 6 times more powerful than morphine. – WTF Fun Facts

Source: https://www.nature.com/news/2006/061113/full/061113-4.html

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