Kissing an infection-free partner is good for your teeth!
141
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
You burn 26 calories in a one minute kiss.
605
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
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.
173
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!)
278
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14