As we all know, the development of many cancers has a lot to do with unhealthy dietary habits. There are many unhealthy foods that have cancer-causing effects and will increase the risk of children after eating too much of them. So which foods have cancer-causing effects? 1.Betel nut Many young men eat betel nut while playing games, thinking that this is very cool and exciting, in fact, betel nut is a carcinogenic substance, the alkaloids and tannins in betel nut, as well as a variety of active ingredients are cytotoxic, often chewing betel nut will cause the teeth to become black, which will lead to gum atrophy and cause periodontal disease, and also lead to oral submucosa fibrosis, which will increase the risk of oral cancer. 2.Processed meat products Processed meat products include meat that has been cured and fermented to enhance the taste, including air-dried, smoked, cured meat and fish, etc. Such food contains a large amount of nitrite, and contains many additives, which can produce carcinogenic substances such as benzo(a)pyrene after high temperature treatment. If men have the habit of drinking alcohol every day, it is better not to drink more than one or two, which can reduce the damage to the liver and lower the risk of liver cancer. 4.Moldy food Moldy food mainly contains aflatoxin, which is a carcinogen produced by a series of mold metabolism. Especially moldy peanuts, corn and cottonseed oil are the most important to be alert. Aflatoxin can directly cause cancers including liver cancer, kidney cancer, breast cancer and so on. In daily life, if you see a slight yellowing or even blackened, bitter-tasting nuts such as melon seeds, or the surface of the long mold, discolored corn and peanuts, must not be eaten. 5, cigarettes, “smoking causes cancer” many people are already aware of, but many people do not have the slightest idea of quitting smoking. The fact is that smoking and inhalation of cigarette smoke can lead directly to lung cancer, as well as bladder cancer, pancreatic cancer, leukemia and many other cancers. So for the sake of yourself and your family, the sooner you quit smoking the better. 6, pickles and pickles Pickles and pickles are the side dishes that many families have, why do they cause cancer? The main reason is that improper production of pickles and pickles can easily lead to high nitrate and nitrite in food, which may cause cancers like liver cancer and esophageal cancer if consumed excessively. Warm Tips Through the above introduction, I believe you have a certain understanding of the above cancer-causing foods, so you must avoid eating the above foods for your health. In general, you should eat more fresh seasonal vegetables and fruits, and more natural organic foods.