In Naples, Italy in the 16th century, kissing was an offense that carried the death penalty.
You burn 26 calories in a one minute kiss.
A simple pucker uses two muscles, the upper and lower orbicularis otis surrounding the lips. A passionate kiss uses all 34 facial muscles.
The Catholic church declared kissing to be a mortal sin in the middle ages.
The average person will spend an estimated 20,160 minutes kissing in their lifetime.
International kissing day is February 5th.
A study at Princeton University in 1997 concluded that our brains are equipped with neurons that helps us find our lovers lips in the dark.
Canadian porcupines kiss one another on the lips.
50 % of all people kiss before they turn 14.
In Indiana it is illegal for a mustached man to habitually kiss human beings. In Hartford it is illegal for a man to kiss his wife on Sunday and in Cedar Rapids, Iowa it's a crime to kiss a stranger.
In the middle ages a person who could not write/read would sign documents with an X. They would kiss this mark as a sign of sincerity. Eventually the X came to represent the kiss itself.
A kiss can contain 278 of different bacteria. 95% of which are non dangerous.
Couples transfer an average of 9 milligrams of water, 0.7 milligrams of protein, 0.18 milligrams of organic matter, 0.71 milligrams of fat, and 0.45 milligrams of salt in an open mouth kiss.
