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Lung Cancer - Cause

More than 8 out of 10 lung cancers are caused by smoking.3 Tobacco smoke contains carcinogens—substances that cause cancer. These substances damage lung cells, and over time the damaged cells can turn into lung cancer.

The more you smoke and the longer you have smoked, the higher your chances of getting lung cancer. You lower your chances when you quit or cut down on how much you smoke.

Recommended Related to Lung Cancer

Lung Cancer Resources

The National Comprehensive Cancer Network is a nonprofit alliance of 21 cancer centers throughout the U.S. that treat all cancers. National Comprehensive Cancer Network  

Read the Lung Cancer Resources article > >

A few people get lung cancer after being exposed to other harmful substances, including asbestos, radioactive dust, radon, or radiation such as X-rays.

Cancer also may be caused by gene changes (mutations) that occur as you get older.

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WebMD Medical Reference from Healthwise

Last Updated: September 12, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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