This new study combined a large number of previous studies and concluded that a lack of social interactions ranks right up with smoking,obesity, and alcoholism as a risk factor for death.

VOA: standard.2010.07.29

Another example is some weird studies done in a discipline of social psychology known as terror management which involves subliminal death primes.

另一个例子是在社会心理学中进行的,关于恐惧管理的一些古怪的研究,恐惧管理涉及到了,阈下死亡意念的促发。

耶鲁公开课 - 心理学导论课程节选