Here's How Many Bacteria Spread Through One Kiss

November 17, 2014 2:36 PM

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Here's How Many Bacteria Spread Through One Kiss

First base is a great place to get your mouth microbes some new friends, finds a new study in the journal Microbiome. A ten-second French kiss can spread 80 million bacteria between mouths.

Study author Remco Kort, a professor and scientist at Netherlands Organisation for Applied Scientific Research (TNO), asked couples visiting a zoo in the Netherlands if they wanted to participate in a study on French kissing. 21 couples agreed and had their tongues swabbed and saliva collected, both...

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