In pictures: 15 facts about kissing that will surprise you

In pictures: 15 facts about kissing that will surprise you
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The word kiss originates from the Old English term 'cyssan', which means 'to kiss' in turn from 'coss' ("a kiss").

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Based on many studies and researches, we present to you a few things that you may or may not know about the act of kissing and it is sure to surprise you. Here's a look...

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