Objective to study the DNA damage and repair of normal lung interstitial cells and human lung adenocarcinoma cells exposed to cigarette smoke.

目的探讨经香烟烟雾溶液染毒的人正常肺间质细胞和人肺腺癌细胞的DNA损伤及其修复效应。

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The researchers found that children who'd been exposed to cigarette smoke at the age of 2 months were 28 percent more likely to have antibodies to either an indoor air allergen or a food allergen.

研究人员发现在2个月大时被动吸烟的儿童28%更容易出现室内空气过敏原或食物过敏原抗体。

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So how can cigarette smokers, or people exposed to second hand smoke, lower the risk of lung cancer?

因此如何使那些吸烟者，或是细二手烟的人们降低患肺癌的危险呢？

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Despite the spread of antismoking laws, 60 percent of nonsmokers in the U.S. are still exposed to the toxic chemicals in cigarette smoke, according to the study.

CNN: Sinus trouble? Secondhand smoke may be to blame