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据世界卫生组织估计,全世界胃癌年发病约为80万人,是发病率最高的恶性肿瘤。我国胃癌死亡率居各种恶性肿瘤的首位(23.03％),每年约有26万人死于胃癌。近年来各国学者研究的大量资料表明,胃癌与环境因素、饮食习惯、癌前病变及遗传等因素有密切关系。而这些因素绝大部分都是可以通过人们的努力得到改变,因此胃癌是可以预防的。 少吃或不吃腌菜 腌菜中含有大量的亚硝酸盐和二级胺,在胃内适宜酸度或细菌的作用下,能合成亚硝胺类化合物,是很强的致癌物质。所以食品要新鲜,提倡冰箱冷藏。 不吃或少吃烟熏和油煎食物 熏鱼和熏肉中含有大量的致癌物质,如3—4苯并芘和环芳烃。油炸、烘烤、烧焦食物和重复使用的高温食油中也含有此类致癌物质,应尽量少食用。 不吃霉变的食物 日常生活中常常会遇到发霉变质的食品,如发霉的花生、米和面食品等。霉变是由污染霉菌所引起,霉菌中有些是产毒真菌,如黄曲霉菌产
According to World Health Organization estimates, the annual incidence of gastric cancer in the world is about 800,000, which is the highest incidence of malignant tumors. The death rate of gastric cancer in China ranks first in all malignancies (23.03%), and about 260,000 people die of gastric cancer each year. In recent years, a large number of data from scholars around the world have shown that gastric cancer is closely related to environmental factors, dietary habits, precancerous lesions, and heredity. And most of these factors can be changed by people’s efforts, so gastric cancer can be prevented. Eat less or do not eat pickles Pickles contain a large number of nitrite and secondary amines, in the stomach for the role of acidity or bacteria, can synthesize nitrosamines, is a very strong carcinogen. Therefore, food should be fresh and promote refrigerator. Do not eat or eat less smoked and fried foods Smoked fish and bacon contain a lot of carcinogens, such as 3-4 benzopyrene and cyclo-aromatic hydrocarbons. Fried foods such as fried, baked, charred foods and re-used high-temperature edible oils also contain such carcinogens and should be consumed as little as possible. Do not eat mildewed food In daily life, you often encounter moldy food, such as moldy peanuts, rice and noodles. Mildew is caused by contaminating molds. Some molds are toxic fungi, such as Aspergillus flavus.