Case study cigarette smoking and lung cancer

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Over the last sixty years, doctors, scientists and clinical researchers have established what many observers have long felt was the case: a causal link exists between smoking cigarettes and the incidence of lung cancer. Lung cancer occurs when the cells within the lung tissue are altered at a genetic level to mutate and multiply at an aggressive rate. Substances such as carbon monoxide, hydrogen peroxide and benzopyrene contained in cigarette smoke affect how cells change and grow. One of the earliest studies into the relationship between smoking and lung cancer came from the School of Medicine at Washington University in St.
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Smoking and Lung Cancer - northminster.info

The association between cigarette smoking and lung cancer risk in women was investigated within the framework of a case-control study in 9 centres from 6 European countries. Cases were 1, women up to 75 years of age with histologically confirmed primary lung cancer; 2, controls with age distribution similar to cases were selected. The predominant cell type was adenocarcinoma Overall, smoking cigarettes at any time was associated with a 5-fold increase in lung cancer risk odds ratio 5.
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Lung cancer and the smoking habit - case control study

Follow Us On Facebook. Lung cancer is the number one cause of cancer-related death in men and the second most common in women. Lung cancer is responsible for 1. The most common cause of lung cancer is smoking. Other risk factors include genetics, radon gas, asbestos and air pollution which includes secondhand smoke.
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Lung cancer is mainly caused by smoking, but the quantitative relations between smoking and histologic subtypes of lung cancer remain inconclusive. By using one of the largest lung cancer datasets ever assembled, we explored the impact of smoking on risks of the major cell types of lung cancer. This pooled analysis included 13, cases and 16, controls from Europe and Canada.
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