The Kiss Doesn’t Have The Romantic Roots We Previously Thought
We do it as greeting, to show our sexual attraction, or to demonstrate love, but how exactly did the kiss get its start? Scientists have previously argued that the kiss evolved as a way to judge fertility, health, and genes through saliva. However, British scientists from the University of Leeds and the University of Central Lancashire claim, in the journal Medical Hypotheses, that kissing actually developed as a way to spread a necessary germ.





















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