Friday, February 1, 2008

how common is lung cancer if you have never smoked


how common is lung cancer if you have never smoked?
i guess im looking to see how dangerous both second hand smoke is and without any contact of smoking how possible it is to get cancer of the lungs.
Cancer - 1 Answers
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1 :
There are different types of lung cancer. Small cell lung cancer (about 20% all lung cancers) - 99% of patient are smokers or ex-smokers. Non-small cell lung cancer (the other 80%) - cigarettes are still a major cause, other causes being occupational exposure such as asbestos, radon, hydrocarbons and metals such as chromium and nickel.



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