There are many dangerous delicacies in the mouth, and I'll give you some examples

1. Betel nut: It contains a lot of betel nut alkali, which can make the nerves in a highly excited state, and the betel nut residue can also stimulate the stomach wall to cause gastric mucositis and gastric perforation. Will increase the incidence of esophageal cancer, pharyngeal cancer and oral cancer and other malignant diseases, can lead to oral mucosal tissue fibrosis.

2. Mushrooms:I believe that everyone has eaten mushrooms, but not all mushrooms are edible, even those originally non-toxic mushrooms, there may be in the natural environment to absorb toxins.

3. Pufferfish:Pufferfish refers to all genera of fish in the order Scleractinia, order Pufferiformes, and family Pufferidae. [1] Its meat flavorful, nutritious, is a valuable high-grade aquatic products, known as "the crown of the dishes", but its ovaries, liver, kidneys, eyes, blood contains poisonous, improper handling or accidental ingestion, the lesser poisoned, the heavier killed.