Unless you're a smoker or you're thinking of becoming a smoker, and then maybe you should worry.

除非你是一个吸烟者或者你正考虑成为一个吸烟者，那么你可能就需要担心了。

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Moreover, make sure that a smoker washes his hands and face, and changes his clothes before picking up the baby.

此外，确保吸烟者在接孩子前洗手、洗脸、换衣服。

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"One of the reasons I find this topic very interesting is because my mom was a smoker when I was younger," says Lindson-Hawley, who studies tobacco and health at the University of Oxford.

牛津大学研究烟草与健康的林德森·霍利说：“我觉得这个主题很有趣的一个原因是，我妈妈在我小的时候吸烟。”

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After one year, the risk of heart disease for a non-smoker is half that of a smoker.

VOA: special.2010.03.09

Unless, of course, you're a smoker, or you're thinking of becoming a smoker, and then maybe you should worry, because this is one of the advertisements that was airing in terms of anti-smoking campaign.

除非，当然，你吸烟的话，或者你正考虑开始吸烟，那么你可能就需要担心了，因为这是反吸烟运动的,宣传内容之一。

麻省理工公开课 - 化学原理课程节选

So in other words, if you live with a smoker, you really are at very high risk of demonstrating high levels of second-hand smoke exposure."

VOA: standard.2010.06.15

Around one in every five men and women in the UK is a smoker.

BBC: Smoking 'poses bigger risk to women'

And his grandfather was a smoker until a doctor told him that he had lung cancer.

WHITEHOUSE: Press Briefing

Dosage is determined by how soon a smoker craves a cigarette upon waking in the morning.

BBC: Lozenges