Kissing is great isn’t it? If you go by movies and books, well, it’s the culminating moment of any trial or tribulation. The hero (or heroine) gets the girl (or guy) and then, boom, the kiss. But something we forget when we’re in that moment is that our mouths’ have a whole lot of bacteria teeming within. And guess what? In one ten second kiss we exchange a total of 80 million bacteria. As gross as that is, it may not be a bad thing.
As it turns out that bacteria is what determines your “chemistry” with someone else in a kiss. When your bacteria mixes with another, your body tells you if this mate is particularly compatible or not. In fact, it is this bacteria exchange that tends to make people want to kiss more- and more intimately.
Further, the bacteria from the kiss doesn’t actually stay around long enough to become any kind of problem. The bacteria from the tongue, however, does stay behind.
Read more about how kissing works here: Just one 10-second kiss transfers 80 million bacteria.
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