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The world’s first kiss took place “somewhere between 21.5 and 16.9” million years ago, according to a study in the Journal of the Human Behavior and Evolution Society

This occurrence is well before the existence of humans

“Kissing can be observed across the animal kingdom,” the study’s co-authors emphasized in their findings

A recent peer-reviewed study claims to have pinpointed the first kiss.

Published in the Journal of the Human Behavior and Evolution Society this year and made available online on Nov. 19, the study suggested that the world’s first kiss took place “somewhere between 21.5 and 16.9” million years ago — well before the existence of humans.

Titled “A comparative approach to the evolution of kissing” the study noted, “Ancestral state reconstructions a

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