Just last week, a study in Environmental Health Perspectives found disturbingly high levels of a flame-retardant chemical in a sample of butter.

就在上个星期，一项环境卫生研究结果称，在一批奶油样品中发现高含量的阻燃化学物质。

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Sapkota's team lists many of these - including the most prevalent bacteria in the tobacco they studied - in a paper published early, online in Environmental Health Perspectives.

在环境健康观察网站早期发表的论文中，萨普克塔团队列出了很多，包括他们在烟草中研究出的最普遍的细菌。

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By age 7, the children were more likely to show symptoms of anxiety, depression and attention problems, the researchers reported this year in Environmental Health Perspectives.

他们今年发表于《环境与健康展望》的报告称，七岁时，这些儿童更有可能显现出焦虑、抑郁和注意力不集中的症状。

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The research by University of Idaho and Washington State University scientists in cooperation with the Pacific Northwest National Laboratory was published in Environmental Health Perspectives, a journal of the National Institute of Environmental Health Sciences.

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The study is to be published in the journal Environmental Health Perspectives.

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The three studies appear in the April 21 issue of the journal Environmental Health Perspectives.

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