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A member asked:
What is the usual cause of lung cancer?
5 doctors weighed in across 3 answers
Smoking: Tobacco smoking is the usual cause of lung cancer. About 10% of lung cancers may occur in non-smokers. Second hand smoke and exposure to radon gas are the next important causes. Of course genetic susceptibility always plays a role in all diseases, including lung cancer.
Answered 10/4/2016
5.4k views
Smoking: Although three are some common causes of lung cancer by far the most common culprit is cigarette smoking.
Answered 4/4/2013
5.3k views
Inhalants: Tobacco, marijuana, and other inhalants are the most common causes. This link provides a list of main risk factors: http://www.Cancer.Net/cancer-types/lung-cancer/risk-factors-and-prevention.
Answered 2/9/2013
5.3k views
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