Conclusions: Exposure to environmental tobacco smoke is associated with an increased risk for multiple sclerosis.

结论：环境性吸烟暴露与多发性硬化的患病风险增加相关。

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The study "Environmental tobacco smoke and cardiometabolic risk in young children" was published in the European Heart Journal.

这项名为“环境烟害和儿童心血管代谢危险”的研究结果将在《欧洲心脏病杂志》上发表。

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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。

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Most studies are based on imprecise recall and anecdotal evidence concerning the exact amount of exposure to environmental tobacco smoke.

BBC: NEWS | Health | Cancer alert for smoking parents

"The US Environmental Protection Agency has classified environmental tobacco smoke as a known human (class A) carcinogen, " he added.

BBC: NEWS | UK | Northern Ireland | Legal threat over passive smoking

Secondhand smoke, which is also called environmental tobacco smoke, is smoke inhaled involuntarily.

CNN: Is secondhand smoke really that risky?