研究小组发现在终生饮酒问题表上得分较高的和那些年吸烟量越高的人，他们的智商往往比较低。

The team found that men with higher scores on the lifetime alcohol problems scale (LAPS) and those who reported a higher number of pack-years of smoking both had lower IQ scores.

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这些参与者都是现行吸烟者或至少有过30包年吸烟史的人，而且尚未出现肺癌征兆也没有肺癌历史。

Participants had either a current or former cigarette smoking history of at least 30 pack-years, and had to be without symptoms or a history of lung cancer.

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随着时间的推移，这种方法已经使吸烟人数有所下降——自20世纪70年代以来，吸烟人数几乎减少了一半。

This approach has led over time to a fall in smoking with numbers having roughly halved since the 1970s.

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By the year 2025 the number of smokers worldwide is expected to increase by 45%.

到2025年,预计世界范围吸烟人数,将增长45%

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Smoking is a key example, it took America decades to mobilize after the catastrophic consequences smoking were clear, but when it did, American tobacco companies exploited overseas markets, particularly in the developing world.

吸烟就是一个重要的例子,美国人在吸烟的灾难性后果,已经明确的几十年之后,才采取行动,但在行动时,美国烟草公司已经开拓了海外疆土,尤其在发展中国家

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Let's say you want to see how something like cigarette smoking is changing in the population and the rates of cigarette smoking, and you want to look at people every five years from 1970 to 2000.

比如你想知道,人群中吸烟者的人数变化,和吸烟者的比例,在1970年至2000年每五年的情况

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选