Study: In intimate kiss, you swap more than spit

November 17, 2014 2:05 PM

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Study: In intimate kiss, you swap more than spit

Burt Lancaster kisses Deborah Kerr passionately in a beach scene in the 1953 film "From Here To Eternity." The two shared one of cinema's most famous kisses .. and bacteria, most likely. (AP Photo/Columbia Pictures)

A kiss is just a kiss—except for when it's a major bacteria conduit. A new study published in Microbiome takes a look at what happens when we kiss intimately, and finds that 10 seconds of passion can result in the transfer of up to 80 million bacteria.

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