Small knowledge of lung cancer

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Lung cancer is one of the most common malignant tumors with the highest morbidity and mortality, and the greatest threat to people's health

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Lung cancer is one of the most common malignant tumors with the highest morbidity and mortality, and the greatest threat to people's health and life. In recent 50 years, many countries have reported the incidence and mortality of lung cancer increased significantly, the incidence and mortality of male lung cancer ranks the first place in all the malignant tumors, the incidence of women accounted for second, accounting for second of the mortality rate. The etiology of lung cancer is still not completely clear, a large number of data show that a large number of long-term smoking and lung cancer are closely related. Previous studies have shown that the probability of lung cancer in a large number of smokers is 10 to 20 times that of non-smokers. The younger the age of onset of smoking, the higher the risk of lung cancer. In addition, smoking not only directly affect my health, but also adversely affect the health of the surrounding population, leading to a significant increase in the prevalence of lung cancer in passive smokers. The incidence of lung cancer in urban residents is higher than that in rural areas, which may be related to urban air pollution and the presence of carcinogens. Therefore, smoking should be advocated, and the work of urban environmental sanitation should be strengthened.

 

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