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Causes of Lung Cancer

Tobacco use is responsible for almost 90% of lung cancer cases. That being said, those who have never smoked or quit long ago, may develop lung cancer as well. Common causes include radon exposure in the home, workplace chemicals such as asbestos, and environmental pollutants including second-hand smoke.
What Is Radon Mitigation?
Radon mitigation can lower the level of radon in your home and reduce your risk of lung cancer. What is radon mitigation, what methods are used, and what is the cost?
Radon Testing - What is Radon Testing
Radon testing can help prevent the second leading cause of lung cancer. What is radon testing, who should do radon testing, what type of test kits are available, and what do the results of radon testing mean?
Does HPV (Human Papilloma Virus) Cause Lung Cancer?
Does HPV (human papilloma virus) cause lung cancer? What is HPV, what cancers does it cause, and what is the role of HPV in lung cancer?
Can Granite Countertops Cause Lung Cancer?
Can granite countertops cause cancer? Granite emits radon, the second leading cause of lung cancer, but are granite countertops a big enough source of radon to cause cancer?
Radon and Lung Cancer - Radon and the Risk of Lung Cancer
Radon is the second leading cause of lung cancer, but too few people have tested for radon because of lack of awareness. Do you have a story about radon that can help motivate others to test for this invisible cause of lung cancer?
Does Smoking Marijuana Cause Lung Cancer?
Does smoking marijuana cause lung cancer? What do the studies and science say about marijuana and lung cancer?
Occupation as a Cause of Lung Cancer
Your occupation and substances you are exposed to at work could place you at risk for lung cancer, and are responsible for up to 29% of lung cancers in men. Learn what some of these exposures are, and ways that you can protect yourself while at work.
Can Smoking Cigars Cause Lung Cancer?
Can smoking cigars cause lung cancer? Smoking cigars increases the risk of lung cancer, as well as the risk of oral and esophageal cancers. In addition, second-hand smoke from cigars is a danger for non-smokers.
Why do Japanese men have less lung cancer even though they smoke more?
Japanese men have less lung cancer even though they smoke more. Reasons may include lifestyle factors, such as alcohol and diet, or the type of filters and carcinogens present in Japanese cigarettes.
If Someone in My Family Has Lung Cancer, Am I More Likely to Get It?
A family history of lung cancer increases the risk of developing lung cancer. Hereditary lung cancer is more common in women, nonsmokers and relatives of those that develop lung cancer early in life. Find out if your family history indicates you have a genetic predisposition to lung cancer.
Can Drinking Alcohol Increase My Risk of Lung Cancer?
Does alcohol increase the risk of lung cancer? Can drinking wine, beer, or hard liquor cause or prevent lung cancer? Studies show that the affect of alcohol on lung cancer may vary with the type of alcohol consumed and on whether you are male or female.
Causes of Lung Cancer - An Overview
There are many causes of lung cancer. Causes of lung cancer include lifestyle, environment and occupational. New studies also suggest genetics and infections as causes of lung cancer.
Lung Cancer Causes - Environmental Causes of Lung Cancer
There are many environmental causes of lung cancer. These environmental causes are often preventable. Causes of lung cancer, such as exposure to radon, asbestos, certain chemicals, secondhand smoke and wood smoke, can often be avoided if we are aware of their presence.
A Story of Lifestyle and Lung Cancer
Smoking clearly causes lung cancer, but other factors can play a role as well. Radon, chemicals we use at work and at home, and pollution can all contribute. Healthy habits, such as exercise, can reduce risk.
Radon and Lung Cancer - What Everyone Should Know
Exposure to radon in the home is the second leading cause of lung cancer, and the leading cause in non-smokers. Knowing the risk, how to test, and what to do to fix the problem, can lower the risk of this entirely preventable cause of lung cancer.
Cigarette Smoking and Cancer
About.com's Smoking Cessation Guide, Terry Martin, discusses cigarette smoking and cancer.
Secondhand Smoke
Read about the dangers of secondhand smoke in this article from Terry Martin, About.com Guide to Smoking Cessation.
Asbestos and Mesothelioma
Asbestos, a material used in many industrial products including insulation, is responsible for at least 70% of cases of mesothelioma. Mesothelioma is a rare lung cancer involving the lining of the lungs.
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