1 green beans undercooked green beans contain saponins, which will be poisoned after people eat them. Fried green beans are non-toxic. Rotten ginger Rotten ginger can produce a carcinogen called safrole, which can induce liver cancer and esophageal cancer.

The carcinogenicity of Pteridium aquilinum is mainly due to the fact that fresh Pteridium aquilinum contains a substance called protopterin, and the intermediate metabolites formed during the metabolism of this substance in human body can damage DNA molecules, thus inducing cancer.

3 Zucchini The zucchini that everyone often fries can also cause cancer? Actually, I was surprised when I first heard it. According to research, pumpkin will produce carcinogenic acrylamide after high-temperature frying. Once acrylamide enters the human body, it will lead to genetic material damage and gene mutation, and even cause cancer! Acrylamide is produced in many dishes, but the content of zucchini ranks first, second only to French fries.

4 Chinese cabbage has the most pesticide residues. In the process of transportation, it is wrapped in plastic film, and bacteria breed the most. It must be cleaned.