长久以来,各国专家都在致力于研究能使人变得更聪明的方法。最近,德国科学家研究发现,能使人变聪明的最简单的方法其实就是有规律的性爱。该研究报告指出,有规律的性爱不仅能够使人的身体亢奋,还能够刺激人的大 For a long time, experts from all over the world have been working on ways to make people smarter. Recently, German scientists found that the easiest way to make people smart is actually regular sex. The research report pointed out that regular sex not only can make people’s body excited, but also to stimulate people’s large