Science Behind Why We Kiss: 8 Fascinating Facts

Take responsibility for your emotions. While it's important to communicate with your partner and seek support, ultimately it's up to you to manage your own emotions and reactions.

Humans are the only animals that kiss romantically, but other animals engage in kissing-like behaviors, such as bonobos and some birds

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The act of kissing can activate over 30 facial muscles and burn up to 6 calories per minute

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Research suggests that kissing may help boost the immune system by exchanging bacteria and building up resistance to illnesses

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Kissing can also be a stress reliever, as it can help decrease cortisol levels in the body

The average kissing session lasts around 12 seconds, but some cultures have longer or shorter durations for kissing

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There are several different types of kisses, including the French kiss, peck, and butterfly kiss

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Some studies have suggested that women place more importance on kissing than men do, and that women are more likely to end a relationship over bad kissing

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Kissing can be a way to test compatibility with a potential partner, as the sense of taste and smell can provide important information about genetic compatibility

The practice of kissing likely dates back thousands of years, with evidence of kissing in ancient Indian, Greek, and Roman cultures

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 The word "kiss" likely derives from the Old English word "cyssan," which means "to touch with the lips."

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Some cultures, such as the Eskimos, traditionally rub noses instead of kissing

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