Fresh fungus: fresh fungus contains a photoreceptor substance, people eat, will be distributed to the epidermal cells with the blood circulation, by the sun, will trigger solar dermatitis. This toxic photosensitive substance is also easily absorbed by the mucous membrane of the throat, resulting in pharyngeal edema.

Fresh cauliflower: also known as golden broccoli. Fresh yellow cauliflower contains the toxic substance colchicine. When this substance enters the body, it will make the throat dry, thirst, burning sensation in the stomach, nausea, vomiting, abdominal pain, diarrhea.

Green tomatoes: unripe tomatoes contain alkaloids, which can lead to poisoning after human consumption. Therefore, it is important to consume fresh red ripe tomatoes.

Sprouted potatoes: Sprouted potatoes can produce a large amount of lobelia, which can lead to poisoning after human consumption. When eating sprouted potatoes, you should first dig out the buds and roots and the greenish part of the potato skin, and put them in water to soak for more than 2 hours.

Uncooked beans: uncooked beans contain saponins, which can be poisonous when consumed. Stir-fried beans are non-toxic. Rotting ginger. Rotting ginger will produce a carcinogen called safrole, which can induce liver cancer and esophageal cancer.