暴露在香烟烟雾下促进了肿瘤的生长，而硒无法阻止肺癌和肝癌的发生。
Exposure to smoke boosted the growth of tumors and selenium could not stop the growth of lung can liver cancers.
暴露在香烟烟雾中的行为会与所有药物的危害性明显相关，甚至是处于医疗目的（比如母亲患有严重心理疾病），也会和单一或多种药物使用的危害性明显相关。
The exposure was significantly associated with the risk for all medication use and for both single- and multiple-drug consumption even after adjustment (e.g.
它显示在这禁令颁布前员工每周要暴露在香烟的烟雾中40小时，而在禁令颁布后，每周仅为25分钟，暴露时间降低99%。
It revealed staff were exposed to tobacco smoke for 40 hours per week before the ban, compared to 25 minutes per week post ban, a 99% drop in exposure.
这些风险因素包括出生后第一年暴露于香烟烟雾中、哮喘和湿疹。
These risk factors included exposure to cigarette smoke in the first year of life, asthma and eczema.
本文对在美国所进行的不吸烟者环境香烟烟雾(ETS)暴露水平的大样本研究作了综述。
Some of the lessons learned from a large study of personal exposure of non smokers to environmental tobacco smoke (ETS) in the United Stated are reviewed.
提示孕妇及儿童暴露于香烟烟雾环境，都会增加儿童哮喘的危险性。
It hinted that children and pregnant mothers exposured to environmental tobacco smoke would enhance the risk of asthma in children.
提示孕妇及儿童暴露于香烟烟雾环境，都会增加儿童哮喘的危险性。
It hinted that children and pregnant mothers exposured to environmental tobacco smoke would enhance the risk of asthma in children.
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