腌制食品:咸鱼产生的二甲基亚硝酸盐,在体内可以转化为致癌物质二甲基亚硝酸胺。咸蛋、咸菜等同样含有致癌物质,应尽量少吃。烧烤食物:烤牛肉、烤鸭、烤羊肉、烤鹅、烤乳猪、烤羊肉串等,因含有强致癌物不宜多吃。熏制食品:如熏肉、熏肝、熏鱼、熏蛋、熏豆腐干等含苯并芘致癌物,常食易患食道癌和胃癌。油炸食品:煎炸过焦后,产生致癌物质多环芳烃。咖啡烧焦后, Pickled foods: Salted fish produce dimethyl nitrite, in the body can be converted to carcinogenic dimethyl nitrite amine. Salty eggs, pickles, etc. also contain carcinogens, should try to eat less. Barbecue food: roast beef, roast duck, roast lamb, roast goose, roast suckling pig, kebab, etc., due to strong carcinogens should not eat. Smoked foods: such as bacon, smoked liver, smoked fish, smoked eggs, smoked tofu and other carcinogens containing benzopyrene, regular food susceptible to esophageal and gastric cancer. Fried foods: fried over coke, resulting in carcinogenic PAHs. After burnt coffee