Fewer than half the world's cultures engage in romantic kissing, a study found.
The average age in the UK for a first kiss is 15.
In Nevada, it is illegal to kiss with a mustache.
Two-thirds of people tilt their head to the right when they kiss.
The average person spends two weeks of his life Kissing.
The first time two men kissed on-screen was in 1927.
The scientific term for French kissing is cataglottism.
Philematology is the science of kissing.
The longest kiss ever recorded lasted 58 hours, 35 minutes and 58 seconds.
Instead of kissing, mothers of the Manchu tribe used to show affection by sucking their child's penis in public, because kissing was considered sexual.