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Smoking is by far the leading risk factor for lung cancer. About 80% of lung cancer deaths are thought to result from smoking, and this number is probably even higher for small cell lung cancer (SCLC). It’s rare for someone who has never smoked to have SCLC.
Cigarette smoking is the number one risk factor for lung cancer. In the United States, cigarette smoking is linked to about 80% to 90% of lung cancer deaths. Using other tobacco products such as cigars or pipes also increases the risk for lung cancer.
A number of factors may increase the risk of lung cancer. Some risk factors can be controlled, for instance, by quitting smoking. Other factors can't be controlled, such as your family history.
Smoking tobacco (including cigarettes, cigars, and pipes) is the primary risk factor for lung cancer but it can also affect non-smokers. Other risk factors include exposure to secondhand smoke, occupational hazards (such as asbestos, radon and certain chemicals), air pollution, hereditary cancer syndromes, and previous chronic lung diseases.
Your chances of getting lung cancer increase when you are exposed to more than one risk factor. Find out what puts you at risk for lung cancer.
Learn about symptoms, risk factors, screening, and treatment. Stay away from tobacco smoke and get your home tested for radon. The latest federal data on lung cancer cases and deaths. Cigarette smoking is the number one cause of lung cancer.
Learn about the causes and risk factors for lung cancer and what you can do to help lower your risk, such as quitting smoking.
Approximately 90 percent of lung cancers are caused by cigarette smoking. Additional risk factors for lung cancer include secondhand smoking, a family history of lung cancer, some vitamins and exposure to chemicals like radon and asbestos.
In almost every person with lung cancer, several risk factors are at play. Lung cancer is the leading cause of cancer deaths in the United States and in the Mountain West. But the good news is—by understanding the risks, even non-smokers can take steps to protect their lungs and lower the chances of getting lung cancer.
Smoking tobacco, the leading cause of lung cancer, is linked to up to 90 percent of lung cancer deaths in the United States. Other risk factors that may increase the risk of developing lung cancer include exposure to certain chemicals, gases or pollutants over time.