因此，所有这些加在一起，我们的数据与其他证据共同证明了尼古丁在破坏精神健康方面的作用。

"Taken together, therefore, our data are consistent with other emerging evidence to suggest a causal role of nicotine exposure in mental health, " the investigators conclude.

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最新的研究揭示了香烟中主要有效成分-尼古丁是如何作用于大脑，抑制吸烟者的食欲。

New research reveals how nicotine, the active ingredient in cigarettes, works in the brain to suppress smokers' appetites.

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因此我认为该研究最重要的作用是证实了尼古丁还能通过其它通路引起食欲下降。

So I think the most important contribution of this paper is to prove that there is another whole pathway that nicotine is working through.

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