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Smoking cigarettes is the leading cause of non-small cell lung cancer. Cigar and pipe smoking also increase the risk. Doctors at �ٺ���Ƶ urge people who smoke to quit. Even if you have smoked for a long time, there are still benefits to quitting. Doing so can reverse damage to the lungs before a tumor develops. You can find support for quitting at Perlmutter Cancer Center’s Tobacco Cessation Program.

Even if you don’t smoke, regular exposure to smoke from other people’s cigarettes, cigars, or pipes raises your risk of non-small cell lung cancer.

Regular exposure to certain chemicals, which are inhaled through the air, increases the risk of developing non-small cell lung cancer.

Radon is an odorless radioactive gas that’s released into the air when uranium, which is found in soil and rocks, breaks down. Some homes built on soil containing uranium may have elevated levels of radon.

Asbestos is a mineral fiber that has been used in building materials for insulation and as a fire retardant. Although the use of materials containing asbestos has decreased, people can still be exposed to the fibers during home renovations or commercial building projects.

If you are concerned about radon and asbestos in your home, you can test for these chemicals and have them safely removed.

Regular exposure to other chemicals, such as coal tar, soot, or gasoline, may also increase the risk of developing non-small cell lung cancer. If these exposures occur in the workplace, government regulations are in place to help protect you.