subject: Reasons Of Getting Lung Cancer [print this page] Smoking Cigarette smoking is one of the main reasons of lung cancer. 90% of the cancers have been caused by use of tobacco. Tobacco smoke contains over 4,000 chemical compounds, many of which have been shown to be cancer-causing or carcinogenic. The two primary carcinogens in tobacco smoke are chemicals known as nitrosamines and polycyclic aromatic hydrocarbons. The risk of developing lung cancer decreases each year following smoking cessation as normal cells grow and replace damaged cells in the lung. In former smokers, the risk of developing lung cancer begins to approach that of a nonsmoker about 15 years after cessation of smoking.
Passive smoking Passive smoking otherwise known as second hand smoking is also an establishment risk factor for development of lung cancer. Researchers have proved that over the course that passive smokers who reside with smokers have a 24% increase in risk for developing lung cancer. It is reported that an estimate of 3000 people die of lung cancer each year in US.
Asbestos fibers Asbestos fibers are silicate fibers that can persist for a lifetime in lung tissue following exposure to asbestos. The workplace is a common source of exposure to asbestos fibers. Today, asbestos use is limited or banned in many countries. Lung cancer are associated with exposure to asbestos. Cigarette smoking drastically increases the chance of developing an asbestos-related lung cancer in workers exposed to asbestos.
Radon gas Radon Gas is also a common cause of cancer. These gases are natural and occur naturally in rocks and soils in certain areas. Radon gas is a chemical inert that is a decay product of uranium. This can cause lung cancer. Radon gas can travel up through the soil and can enter in the house through small gaps, pipeline, drainage etc. These gases are odorless and invisible. Radon gases can be detected by conducting simple test.
Prior history of lung cancer A person who has had lung cancer is more likely to develop a second lung cancer than the average person is to develop a first lung cancer.
Air pollution Air pollution from vehicles, industry, and power plants can raise the likelihood of developing lung cancer in exposed individuals. Up to 1% of lung cancer deaths are attributable to breathing polluted air.
by: Emma Thomas
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