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In a case study published today in Oui Magazine, scientists at the Faber University Medical School showed the highest level of opposite-sex-attracting pheromones in the body are located in the male saliva glands.
They speculate that a good mouthful of drool, spittle, phlegm and mucous would be not unlike showcasing a pond full of dragonflies if you were hunting a frog.
The studies conclude that while trying to lure a female, males simply have to open wide and drool.
And, nature then will take its course.
It works they say.