Recent work also suggests that cadmium and lead levels are higher in lung tissues of current and former smoking lung cancer patients relative to non-smokers.30.

最近的研究同样表明因吸烟患上肺癌的病人肺组织的镉和铅水平高于不吸烟的人。

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More than 90% of lung cancer caused by smoking and lung cancerrates of smokers are 18 times over the non-smokers.

超过90%的肺癌是由吸烟导致的，吸烟者患肺癌的几率是非吸烟者的18倍之多。

youdao

More than 90% of lung cancer caused by smoking and lung cancer rates of smokers are 18 times over the non-smokers.

超过90%的肺癌是由吸烟导致的，吸烟者患肺癌的几率是非吸烟者的18倍之多。

youdao

Looking at medical records from women between 2000-2010 showed they were 25 times more likely to die from lung cancer than their non-smoking friends.

BBC: Female smoking death risk 'has soared'

It has long been the consensus in the medical profession that passive smoking is dangerous, so there was outrage when the British Medical Journal of May 17th published a study which found that non-smokers whose spouse smoked did not suffer lung cancer or other smoking-related diseases as a result.

ECONOMIST: Ups and downs for Big Tobacco