Of the 28 hospitals that changed their policies to become smoke free, tobacco-related health problems, seclusion and restraint, and use of coercion or threats all declined significantly, they said.

研究人员说，这28家医院采取了禁烟政策以后，因香烟引起的健康问题以及隔离，限制，强迫或者威胁的使用次数，都有显著地下降。

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Nicotine by itself does not cause cancer, heart disease or other major health problems linked to smoking; other chemicals in tobacco smoke are to blame.

引起癌症、心脏病或是其他与吸烟相关的重要的健康问题的并非尼古丁本身，而是烟草中的其他化学物质。

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Tobacco smoking is a known or probable cause of approximately 25 diseases, and even the WHO says that its impact on world health is not fully assessed.

吸烟是一个大约25疾病的已知或可能的原因，甚至是世界卫生组织说，它对世界的影响健康是没有完全评估。

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Bowles said the proposed language does not deal clearly enough with how money from taxes on tobacco or penalties paid by cigarette makers would be used to protect public health.

CNN: McCain Unveils Proposed Tobacco Policy

The goal was to sort out whether some people were genetically more likely to get cancer or whether there were potential health effects induced by chemicals in tobacco smoke.

WSJ: Twins Health Registry Is Treasure Trove for Medical Research

Eighteen percent of large employers offered financial incentives for achieving or maintaining health standards and 15 percent offered lower premiums to non-tobacco users.

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