You hug your friend. You kiss your friend on the cheek. You plop a big, wet kiss on your friend's mouth. Wait, what was that last one? Kissing one's friends isn't as uncommon as you might think. Many ...

The six-second kiss allows your brain to release a cocktail of feel-good chemicals, including dopamine and serotonin, while ...

A kiss feels electric, emotional, and comforting all at once. But what really happens inside your body when you kiss someone?

Long-distance relationships, especially the romantic kind, can be tough. Partners miss a million lovely little things while they’re apart, with the perennial act of kissing leaving one of the largest ...

(CNN) — “The meeting of lips is the most perfect, the most divine sensation given to human beings, the supreme limit of happiness.” So wrote the 19 th century French author Guy de Maupassant in his ...