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7 Causes of Lung Cancer


Cancer is a dreaded disease that can affect many parts of your body including lung. Lungs are two springy organs in the human chest that take in oxygen while inhaling and release carbon dioxide while exhaling.

Lung cancer is one of the leading death causes among women and men in the United States. It claims more lives than ovarian, colon, and prostate cancers combined.

Smokers are prone to lung cancer. If you are smoking, you can quit this habit to minimize the possibility significantly. However, non-smokers can also have this disease depending on a few factors. Family history and exposure to harmful chemicals and materials can cause lung cancer even if you are not smoking. In this article, we will discuss all the key causes of lung cancer.


Smoking is a leading cause of lung cancer. It causes around ninety percent of this cancer. Tobacco contains many harmful chemicals that affect your lung health. You can reduce the possibility to a great extent by quitting smoking. If you quit smoking, the risk will be less. However, the chances will be more than non-smokers. You can take a few conscious steps to reduce the risk that includes avoiding smoking and quit smoking.

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