Occupational factors: In us, about 85% of lung cancer is related to smoking. Other causes of lung cancer is include secondhand smoke, occupational and environmental factors (asbestos, radon, arsenic, radiation) or genetic. In addition, cancer from other body organs can spread to the lungs.
Answered 7/18/2012
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Risk factors: Risks of lung cancer: http://goo.Gl/gu9ms 15% of smokers (>100 cigarettes in a lifetime) develop lung cancer. 80% of all lung cancer is caused by smoking. Additionally, numerous other diseases and cancers are related to smoking.
Answered 12/9/2013
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