Dear MEL School’s Topic Readers,
Why do humans kiss each other when most animals don’t?
It seems to be a matter of mating, the ultimate goal of romance. Most mammals can detect and find suitability for mating by certain smell, pheromones. It is important to sustain the species with healthy genes. In some animals like dogs, pheromone is included in the urine. That’s why dogs sniff around when they walk outside.
But one question still remains unanswered. Why people in some cultures kiss while others don’t? Of the 168 cultures the scientists investigated, only 46% of the cultures kiss in the romantic sense. Is that because people of certain cultures have higher sensitivity for pheromones and others don’t?
Enjoy reading and learning about this relatively newly expanding customs between couples.
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