Why We Kiss

A couple kissing.

Eric Schulze of Ask Smithsonian tells us, “More than half of men and woman in a survey said they’d called it quits because of a lame first kiss.” Obviously, kissing is important to human beings. But did you know it’s not romantic, but rather a behavior encoded in our genes? Only humans and a few primates kiss.

Ask Smithsonian: Why Do We Kiss?


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