psychology

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duration: 4 Hour and 25 Minute

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How Did the Kiss Come About One Scientist Has a Theory and It’s Pretty Filthy

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Kissing. It’s something we take for granted as just being something humans do to show affection, but why did it start and when? Well, a primatologist and evolutionary psychologist has a pretty icky theory. Buzz60’s Tony Spitz has the details.

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