The Various Chemical And Non Chemical Cancer Risk Factors
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Certain type of chemicals found in the environment are the potent cancer triggers. In the last century it was observed that miners who had prolonged contact with coal and tar had a high incidence of lung cancer. Now it is identified that benzoprene is a major carcinogen and it is found in coal and tar. It is also found in cigarette smoke. Chemical carcinogens are exceedingly prevalent in our environ¬ment, even if you are not exposed to secondary or primary tobacco smoke you will be exposed to these carcinogens. The food additive nitrites become carcinogenic nitrosamines in our body. Many petroleum products and emissions are highly carcinogenic so are many pesticides. Even some prominent food items have cancer causing substances naturally present (not through pesticides). The substance aflatoxin is found in corn and peanuts (as well as peanut butter) are carcinogenic. Mesothelioma is a type of cancer caused by expsore to asbestos. Most people who contracted mesothelioma have worked on jobs where they inhaled asbestos particles, or they have been exposed to asbestos dust and fibre in other ways. For example they may have washed clothes of a family member who worked with asbestos. However it is found that cigarette smoking and high fat diet is the major cause for 70% of all cancer cases. Recently, it has been found that the gas radon causes cancer threat to home own¬ers. This gas, produced by the natural breakdown of radium or ura¬nium, is a fairly serious radiation risk factor for the development of lung cancer. Radon may be present in rocks and soil beneath a house. Released as a vapor, it seeps through cracks in basement floors or travels up pipes that come up from deep wells. The unsuspecting home occupant has little idea that he or she is being steadily irradiated.The highest levels of radon are found in New Jersey, Pennsylva¬nia, Colorado, Florida, and New Hampshire. Overall it is found that approximately 12 percent of American homes contained elevated levels of radon. |
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