Zeki studied young men and women who had recently fallen in love. He found that, when they were looking at photos of their loved ones, there was heightened activity in four areas of their brains. These areas deal with emotions, and one of them, in particular, is known to respond to drugs that cause feelings of euphoria.

札奇以近期陷入爱情的年轻男女为研究对象。他发现，当他们看着恋人的照片时，大脑中有四个区域的活动力会增强。这些区域与人们的情感相关，特别其中的一个区域据悉会对引发极度兴奋感的毒品产生反应。

(短文节选,本篇始于：爱情大补帖)