1. Crispy food contains carcinogen dimethyl ammonium nitrite. Pickled food: Dimethyl nitrite produced by salted fish can be converted into carcinogen dimethyl ammonium nitrite in the body. Salted eggs and wrist vegetables also contain carcinogens, so eat as little as possible.

2. Barbecue foods containing strong carcinogens are not suitable for consumption. Barbecue food: roast beef, roast duck, roast mutton, roast goose, roast suckling pig, etc. , not edible, because there are strong carcinogens.

3. Smoked food is often prone to esophageal cancer and gastric cancer. Smoked food: such as bacon, smoked liver, smoked fish, smoked eggs, smoked tofu and other carcinogens containing benzoflowers, often prone to esophageal cancer and gastric cancer.

4. Fried food contains carcinogen polycyclic aromatic hydrocarbons. Fried food: After food is fried and burnt, it will produce carcinogenic polycyclic aromatic hydrocarbons.

5. Toxic food contains carcinogen aflatoxin. Poisoned food: rice, wheat, beans, corn, peanuts and other foods are easy to get wet and moldy. After being contaminated by poisonous bacteria, it will produce carcinogen aflatoxin.

6. Cabbage cooked overnight and repeatedly boiled water contain ammonium nitrite, which can cause cancer. Cabbage and sauerkraut cooked overnight and repeatedly boiled water will produce nitrite, which will be transformed into carcinogenic ammonium nitrite in the body.