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Increase Your Awareness With the Causes of Lung CancerBY: Ritu Choudhary | Category: Lung Cancer | Submitted: 2010-07-28 08:55:32
Lung cancer is cancer that begins in the lungs. Cancer is a disease that causes the development of abnormal cells, which multiply and take over healthy tissues and organs of the body. There are two main types of lung cancer, which are formed and progress differently. The treatment of each may vary. There are three types: squamous, adenocarcinoma, large cell carcinoma Cancer. Small cell lung is very rare form of lung cancer, which progresses more rapidly than non-small cell. There are also other classifications of lung cancer: small cell carcinoma, carcinoma, mixed small and large cell, mixed small cell carcinoma
The main cause of lung cancer is smoking. Lung cancer is usually caused by smoking or exposure to secondhand smoke, but it can have other causes. Researchers have estimated that over 90% of cases of lung cancer in men and at least 70% of those in women are caused directly by smoking. The smoke from cigarettes, cigars and pipes contains over 4,000 dangerous chemicals, and most of these chemicals are carcinogens which may cause cancer. Through smoking carcinogenic chemicals penetrate into your lungs, which destroys their natural system of cleaning and repair.
Normally, a thin layer of mucus and thousands of tiny hairs cover the interior of the bronchial tubes. They provide a natural cleaning system of the lungs. If you breathe contaminated or polluted air, small dust particles are trapped by mucus and pushed up through the lashes, then removed when you cough, spit or swallow. Smoking can damage your lungs to the point that it stops working the cleaning system functionality, so during breathing process mucus does not catches more dust and this will lead to the accumulation of dirt and pollution in the lungs. With the accumulation of dirt and chemicals in your lungs, the risk of lung cancer increases. The more you smoke or are exposed to cigarette smoke, the greater is the risk of developing lung cancer.
People who have never smoked have sometimes lung cancer. Other causes of this cancer include:
Secondhand smoke: People who regularly breathe in cigarette smoke are at a risk almost twice more likely to develop lung cancer than those who avoid it. It is a fact that non-smokers who live or work in places where others smoke, may get the risk of developing lung cancer because of secondhand smoke. Smoking cannabis may also increase the risk of developing lung cancer. Although less is known about the harmful effects of smoking cannabis, it is believed to cause similar damage to the cells in the lungs as smoking tobacco.
Radon: Radon is a gas found in soil in many parts of Canada. It can enter a building through cracks in foundations or in isolation, or by drains or walls. Those heavily exposed to radon at home, at school or at work have an increased risk of lung cancer.
Asbestos: Asbestos is present in many workplaces and homes. It was once used in the manufacture of furnaces and brake pads, in isolation and in several other industrial products. So those who are exposed to these chemical at workplace or at home may get the chances of developing lung cancer. Asbestos exposure also enhances the chances of mesothelioma, a cancer of the membranes which lines the lungs and if you have worked in industry where asbestos is found, may developed lung cancer. Other toxic products like uranium, arsenic and certain petroleum products may also increase the risk of lung cancer. So the best way to reduce risk of lung cancer is to quit smoking. The sooner you quit, the sooner you reduce your risk of lung cancer.
Article Source: http://www.cancer-surgery.com/
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I am not a cancer doctor. Always consult your doctor before taking any action or conclusion regarding your medical condition.
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