We love to kiss, and we do it instinctively. The urge to do it springs up from deep within – but why?
One of the answers is the cytomegalovirus.
It has been a hypothesis for a while, but recent research by Colin Hendrie from the University of Leeds may have pinned it down:
“Female inoculation with a specific male’s cytomegalovirus is most efficiently achieved through mouth-to-mouth contact and saliva exchange, particularly where the flow of saliva is from the male to the typically shorter female.”
According to the research, kissing transmits germs from man to woman, and after about six months of it she becomes immune to the bad stuff in the man’s body. By the time the baby is born, it is immune to the things the parents are immune to.
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