Earlier studies by the 2 researchers described the effects of social networks on obesity and efforts to stop smoking.

VOA: special.2009.01.21

Well, the claim that language is part of human nature is supported by neurological studies, some of which were referred to in the chapters on the brain that you read earlier that talk about dedicated parts of the brain that work for language.

语言是人类本性的一部分的这个观点,得到了神经研究的支持,在之前大家阅读的关于大脑的章节中,对专门负责语言功能脑区的探讨,就描述了其中的一些研究

耶鲁公开课 - 心理学导论课程节选

Earlier studies have shown a positive effect of moderate drinking, especially of wine,on heart health.

VOA: special.2009.09.08