There are various risk factors associated with lung cancer. The most common known causes are as follows:
Cigarette smoking
Cigarette smoking is probably the last link is closely related with lung cancer. Someone who smokes two packs or more of cigarettes a day has one chance in seven of developing lung cancer. Those who smoke a pack of cigarettes per day and one twenty-five times greater chance of developing lung cancer non-smoker. In addition, these people that smoke pipes or cigars five times greater chance of developing lung cancer is a smoker.
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Increases the risk of lung cancer with the number of cigarettes smoked over your life. Cigarette smoking harms the cells in your lungs. At present you can stop smoking, start your lungs heal themselves, replace damaged cells healthy and normal cells. Risk of lung cancer begins to decline almost immediately when you quit smoking. Every year you do not smoke, drop your chances of developing lung cancer as well. Before the fifteenth year, your chances of developing lung cancer from the same person who has never smoked.
Passive smoking
Also known as passive smoking, people exposed to secondhand smoke on a regular basis will be a higher risk of lung cancer, even if they do not smoke themselves. Studies have shown that those who live with a smoker have a greater risk 24 percent of developing lung cancer than most non-smokers. Doctors estimate that deaths annually on Lung Cancer 3000 associated with passive smoking.
Exposure to asbestos
Exposure to asbestos last known to cause lung cancer and mesothelioma - cancer of the pleural lining of the lungs. Asbestos was used widely in construction and everyday products in the late nineteenth century through the sixties. Asbestos separates into fine silica fibers that become trapped in the tissues of the lungs. Mesothelioma is closely linked to exposure to asbestos. No reported cases of mesothelioma in people who were not exposed to asbestos in the workplace or through the surrounding environment. Non-Smoker, who exposed him to asbestos has five times more likely to develop lung cancer Non-Smoker, who was subjected to. Smoking increases the risk of a large - Smoker, which exposed him to asbestos and the risk of lung cancer, which exceeds 50 to 90 times that of a non-smoker.
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Radon
It is estimated that about 12% and lung cancer deaths can be attributed to radon gas, a colorless, odorless natural byproduct of uranium decay. The estimated "and the Environmental Protection Agency in the United States," that up to 15% of homes in the United States contain unsafe levels of radon gas, which will represent 15,000 to 22,000 deaths from lung cancer each year.
Air Pollution
Scientists estimate that up to 1% of all lung cancer deaths are attributable to air pollution. They believe that long-term exposure to very polluted air can raise the risk of lung cancer to about the levels of passive smoker.
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