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Is lung cancer environmental?

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Wiki User
January 05, 2015 5:59PM

About 2/3 of cancers are due to genetic defects and can be passed from one generation to another.

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Wiki User
December 19, 2014 5:03PM

Yes

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Wiki User
December 19, 2014 10:53AM

Depends. Lung cancer can be caused by environmental features, like bad air conditioning in one's working area, asbestos and/or smoke. Still the most common carsinogen that causes lung cancer is smoking. Passive smoking could be counted as an environmental factor in the cause of lung cancer, but when was the last time you heard of someone getting lung cancer from passive smoking?