This is the strongest carcinogen we can find at present, and one milligram is enough to cause cancer. Moreover, this substance may exist in a variety of foods, such as moldy peanuts and corn, spoiled rice, bitter nuts, used chopsticks for a long time, unqualified sesame paste, peanut oil fried by indigenous methods, etc. Once you find these foods, you should throw them away in time.

2, benzopyrene

This is also a relatively carcinogenic substance, which will increase the risk of various cancers, such as lung cancer, liver cancer, gastric cancer and intestinal cancer. Benzopyrene may exist in many substances, such as high-temperature fried food, because vegetable oil will produce this substance after high temperature; Cooking fumes also contain benzopyrene; Charcoal used for smoking and barbecue will contain benzopyrene, so the barbecue we usually like may also cause cancer; Ink also contains benzopyrene, so try not to wrap food with paper that is wet with ink.

3. Ammonium nitrite

Ammonium nitrite is a kind of substance that can indirectly cause cancer, because it will combine with the decomposition products of protein after entering the body to form a strong carcinogen nitrosamine. Many foods contain this substance, such as processed meat products, ham, bacon and so on. In addition, overnight dishes also contain this substance. It is recommended to cook a proper amount of food for each meal, and pickled food also contains ammonium nitrite.

4. Formaldehyde

A study conducted by Yokohama National University in Japan concluded that the release process of formaldehyde is continuous, sometimes as long as 10~ 15 years, which increases the risk of cancer. Many products are rich in this substance, such as pointing glue for decoration, unqualified aquatic products, inferior clothes, car mats and unqualified imitation porcelain tableware.