大量的肺癌流行病学调查结果表明,室内小环境污染、体重指数小、饮食钠摄入量多、维生素C和维生素E摄入少等均为我国非吸烟女性肺癌的独立危险因素。肺癌是当今世界严重威胁人类健康的恶性肿瘤之一,近年我国许多地区女性肺癌发病率和死亡率呈明显上升趋势。调查发现,女性吸烟率与以前 A large number of lung cancer epidemiological findings show that small indoor pollution, low body mass index, dietary sodium intake, vitamin C and vitamin E intake are less independent non-smoking women’s lung cancer risk factors. Lung cancer is one of the most serious malignant tumors that threaten human health in the world today. In recent years, the incidence and mortality of lung cancer in many areas have been on the rise. The survey found that female smoking rates and before