2, seafood and fruit will have abdominal pain. Seafood such as fish, shrimp and crab are rich in nutrients such as protein and calcium. Fruit contains more tannic acid. If you eat fruit immediately after eating seafood, it will not only affect the human body's absorption of protein, but also combine calcium in seafood with tannic acid in fruit to form insoluble calcium. It will irritate the gastrointestinal tract and even cause abdominal pain, nausea and vomiting. It is best to eat more than 2 hours apart;
3. Eat seafood, drink tea and grow stones. The reason why you should not drink tea after eating seafood is similar to the reason why you should not eat fruit. Because tea also contains tannic acid, it can also form insoluble calcium with calcium in seafood.