1, lotus root, lotus root is a very nutritious vegetable. Although it grows in mud, lotus root contains a lot of mineral elements and beneficial trace elements, but there is a kind of lotus root that must not be eaten, and the lotus root that is soaked in white is all illegal businesses. In order to make the lotus root look more attractive, it is easy to be poisoned if it is soaked with medicine!

2, fungus, fungus is a very delicious food, but have you found that the fungus we eat is generally soaked fungus, because fresh fungus can not be used, fresh fungus has a lot of harmful substances, often eating it is easy to cause cancer!

3, eggplant, eggplant is available in every household, how to do it is very delicious, delicious, and it is the favorite of many people. However, eggplant must not be eaten raw. Many northerners like to eat eggplant raw, and the oxalic acid in eggplant will hurt the gastric mucosa, which will lead to gastric ulcer and even cancer in the long run!

4, betel nut, betel nut is a kind of food that people like to eat very much, but don't eat more. Betel nut is not only carcinogenic, but also addictive. The betel nut tree in betel nut has a lot of fiber, which will damage the mouth and throat, causing oral cancer and throat cancer, because the cases in eat areca have already piled up!