A study found that mother mice exposed to male pheromones prior to pregnancy resulted in smarter baby mice being born that performed better in a water maze than mice that weren’t exposed to the male pheromones. Mice mothers-to-be were exposed to male pheromones before pregnancy, which led scientists to believe that the male pheromones somehow enhanced the mice mothers’ breast milk. The mice mothers also nursed longer than mice moms that weren’t given male pheromones.

 

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Does dad’s ‘cologne’ make baby mice smarter?

Futurity: Research News

When female mice were exposed to male pheromones, they later gave birth to smarter babies. “This is the first study to show that pheromone exposure exerts an influence across generations in mammals,” says Sachiko Koyama, associate research scientist at …

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