New research published in two studies suggests that smoking may also affect another vital organ: the brain.

两项新发表的研究表明，吸烟可能会影响人类的重要器官：大脑。

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Singhal and colleagues followed up children who were involved in two studies from the 1990s when they were newborn babies.

Singhal和他们同事自20世纪90年代就跟踪研究涉及两项报告的儿童，当时他们还是新生儿。

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The findings, appearing in two studies in The New England Journal of Medicine, support doctors' assurances that antidepressants are not a major cause of serious physical problems in newborns.

发表在《新英格兰医学杂志》上的这两项研究结果，支持医生关于抗抑郁药并非是导致新生儿严重身体缺陷主要因素的断言。

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Studies show that some American Robins are appearing in their nesting areas two weeks earlier than thirty years ago.

VOA: special.2009.05.12

The Minnesota Twin study, one of the most famous studies in the field of psychology, was done by Lykken and Tellegen,two prominent psychologists.

明尼苏达州的双胞胎研究，一个在心理学领域非常有名的研究，是两个杰出的心理学家Lykken和Tellegen做的。

哈佛公开课 - 幸福课课程节选

The studies found that the mistake rate in two intensive-care areas decreased when interns worked fewer hours.

VOA: special.2010.07.13

Dr. Summers and his colleagues demonstrated encouraging findings in two studies published in 2005.

WSJ: In a Squeaky-Clean World, a Worm Might Help Fight Disease

The risk turned up in two studies, both of which gave Revlimid to patients long-term after they had received bone marrow transplants.

FORBES: Celgene Falls on Secondary Malignancy Worries

When Sinclair's team fed resveratrol to yeast cells, fruit flies, and worms, the animals lived 14% to 70% longer, they reported in two studies in the journal Nature.

FORBES: Researchers are unlocking the mysteries of aging.