The term "cyberchondria" is a portmanteau neologism derived from the terms cyber- and hypochondria. A cyberchondriac is one who imagines that he is ill, having just read about the symptoms on the Internet. 

“Cyberchondria”是“网络”和“臆想病”混合而成的新词。上网自诊狂是指看了网上的症状后想象自己病了的人。

A study by researchers at Microsoft analyzed masses of health-related Internet searches and found that nearly 40 percent of people experience greater anxiety after researching their symptoms than they did at the outset.

微软研究人员近日进行一项人们对健康相关网络搜索的调查，结果发现近40%的人在搜索症状后比未搜索前要更加忧虑。