The risk factors for developing lung cancer include smoking, family history of lung cancer, radon gas exposure, being a passive smoker, exposure to asbestos and chest radiation therapy. Some risk factors, such as smoking, can be controlled with a change in thelifestyle while others cannot be managed, as stated by WebMD.
Smoking is the common risk factor for lung cancer. Typically, the longer a person smokes, the higher the chances of suffering from lung cancer. Up to 90 percent of lung cancercases in the United States have been linked to smoking, as stated by the U.S. Centers for Disease Control and Prevention. Therefore, quitting smoking at any age can help reduce the risk of getting lung cancer. Breathing secondhand smoke also places passive smokers at a risk of lung cancer.
Being exposed to radon also poses a threat of getting cancer. Radon is a gas that occurs naturally due to dirt and rocks. Unsafe levels of radon in a building is dangerous. Workers who are exposed to asbestos and other chemicals at workplaces can also get cancer. The risk of a person getting cancerincreases especially if he or she is a smoker. A family history of cancer also puts a person from such a family at a risk of suffering from lung cancer.