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Revealed, the science of KISSING – and why it’s better for your health than shaking someone’s hand

  • Posted by admin on Novembre 15, 2014

Earlier this week, scientists came up with an evolutionary explanation for kissing which was far from romantic.

Kissing helps partners share millions of bacteria, shoring up their immune systems and enabling them to better fight disease, they said.


As 80 million bacteria are transferred from mouth to mouth in a single ten-second kiss, some people might brand the act ‘unhygenic’.

In fact, you’re more likely to become ill after far less intimate contact, such as shaking someone’s hand, an expert has claimed.

Here, Sheril Kirshenbaum, the author of The Science of Kissing and Director of the Energy Poll at University of Texas at Austin, gives her view – and explains why kissing is so sensual…

The finding that we share about 80 million bacteria during a passionate ten-second kiss makes puckering up seem cringe-worthy – and downright unsanitary at the start of cold and flu season.

But take heart: we’re more likely to get sick by shaking hands throughout the day than through kissing.