When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
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Kissing an infection-free partner is good for your teeth!
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As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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Men who kiss their wives in the morning live five years longer than those who don't.
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'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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Research has shown that allowing chocolate to melt in your mouth produced brain and heart rate activity that was simliar to - and even stronger than - that produced with passionate kissing.
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Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
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