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Lung cancer is the most common cause of cancer mortality worldwide for both men and women,ralph lauren uk, causing approximately 1.2 million deaths per year. The GLOBOCAN 2002 project reports the worldwide incidence,ralph lauren barato, mortality and prevalence of various cancer sites across the globe. Lung cancer has remained predominantly a disease of males with a male:female ratio of 7:1. Around 80% of lung cancer patients come from the rural areas. Forty per cent of patients of lung cancer are less than 50 years of age and 11% are less than 40 years. [2]Risk FactorsSmoking Tobacco smoke is the primary cause of over 80% of lung cancers. The risk of a lifetime smoker developing lung cancer is 23 times greater than a non smoker,ralph lauren kids, and this risk directly increases with the number of cigarettes smoked per day. Pipe and cigar smokers who inhale have similar mortality rates to that of cigarette smokers. The risk of lung cancer in an ex smoker falls to the same level as a non smoker after about 15 years. It is estimated that one third of lung cancers in non smokers result from passive exposure to cigarette smoke.Radon Gas Exposure to the naturally occurring radioactive gas radon,ralph lauren barato, which may accumulate int o the foundations of buildings from soil emissions,ralph lauren ireland, is another potential cause of lung cancer. Scientists estimate it may cause one in 20 lung cancer cases.Radiation therapy Radiation therapy can increase the risk of a second primary lung cancer in patients who have been treated for other malignancies. In women who receive RT following a mastectomy for breast cancer,polos ralph lauren baratos, there appears to be an increased risk of lung cancer among smokers. Similarly,camisas ralph lauren, RT for Hodgkin lymphoma has been associated with an increased risk of secondary lung cancerAsbestos Death from lung cancer is about seven times more likely to occur among asbestos workers than among the general population. Exposure to asbestos fibers is an important risk factor for lung cancer. Asbestos workers who smoke have a very high lung cancer risk: 50 to 90 times greater than that of people in general. Both smokers and nonsmokers exposed to asbestos also have a greater risk of MesotheliomaChemical Exposure Exposure to chemicals such as arsenic,polos ralph lauren, vinyl chloride,ralph lauren norway, nickel chromate,ralph lauren espa?a online, coal products and chloromethyl ethers,polo ralph lauren, significantly increase the risk of developing lung cancer.Recurring Inflammation Tuberculosis and some types of pneumonia often leave scarred areas on the lung. This scarring increases the risk of the person developing the adenocarcinoma type of lung cancer.Pulmonary fibrosis Several studies have shown that the risk for lung cancer is increased about sevenfold patients with pulmonary fibrosis. This increased risk appears to be independent of smokingTalcum Powder While no increased risk of lung cancer has been found from the use of cosmetic talcum powder,ralph lauren, some studies of talc miners and millers suggest a higher risk of lung cancer and other respiratory diseases from their exposure to industrial grade talc. Talcum powder is made from talc,polos ralph lauren baratos, a mineral that in its natural form may contain asbestos. By law since 1973,ralph lauren kids, all home use talcum products (baby,ralph lauren, body,ralph lauren sale, and facial powders) have been asbestos free.Other Mineral Exposures People with silicosis and berylliosis (lung diseases caused by breathing in certain minerals) also have an increased risk of lung cancer.Personal and Family History People who have lung cancer have an increased risk of another lung cancer. Brothers,ralph lauren espa?a online, sisters and children of those who have had lung cancer may have a slightly higher risk of lung cancer themselves. However,ralph lauren, it is difficult to say how much of this excess risk is due to inherited factors and how much is due to environmental tobacco smoke.Vitamin A Deficiency or Excess People who do not get enough vitamin A are at increased risk of lung cancer. On the other hand, taking too much vitamin A may also increase lung cancer risk.Diet A low consumption of fruit and vegetables (particularly green vegetables and carrots) has been associated with an increased risk of lung cancer.
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