By Antin. Besides smoking (active and passive smoking) as primary cause of lung cancer, there are several things that have connected to lung cancer. Asbestos fibers, radon gas, and air pollution can be the causes of lung cancer. Genetic or familial predisposition may play a role as a cause of lung cancer. Lung diseases and prior history of lung cancer also give someone a greater to get lung cancer / secondary lung cancer.

Radon gas Radon gas is a natural, chemically inert gas that is a natural decay product of uranium. Radon gas decays to form products that emit a type of ionizing radiation. Radon gas can travel up through soil and enter homes through gaps in the foundation, pipes, drains, or other openings. In the U.S. radon gas is a known cause of lung cancer. About 12 % (15,000 to 22,000) of lung cancer deaths annually attributable to radon gas. This fact makes radon gas as the second leading cause of lung cancer in the United State. Like evidence of lung cancer in asbestos worker that smoke, radon gas-related lung cancers also have greatly increases according to smoking habits. The U.S. Environmental Protection Agency estimates that one out of every 15 homes in the U.S. contains dangerous levels of radon gas that may cause lung cancer. Radon gas is invisible and odorless, but it can be detected with simple test kits.


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