A 10-seconds kiss transfers 80 million bacteria

“In the 1960s, a singer named Betty Everett belted, ‘If you wanna know if he loves you so, it’s in his kiss!’ Covered by Cher in the 1990s, the song neglects to mention what is also “in his kiss” – 80 million bacteria, according to a new study published in the journal Microbiome.”


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