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 the calcium in seafood.

Eating seafood before or after eating seafood will increase the chance of calcium combining with tannic acid.

Therefore, it is best not to drink tea when eating seafood.

For the same reason, it is also best to leave more than 2 hours apart.

Five categories of people are not allowed to eat seafood: 1. People suffering from gout, hyperuricemia and arthritis should not eat seafood because seafood is too high in purine, which can easily deposit uric acid crystals in the joints and aggravate the condition.

2. People with allergies should be careful when eating seafood, because there is no good way to prevent seafood allergies except avoiding specific allergens.

Also eat less red meat fish that are rich in histamine.

3. Pregnant women and nursing mothers should eat less seafood, because the current pollution situation of seafood in my country is very serious, especially the mercury content generally exceeds the standard, and mercury can affect the brain and neurological development of fetuses and infants.

4. People with hyperthyroidism should eat less seafood because it contains more iodine, which can aggravate the condition.

5. People who are prone to diarrhea when eating cold food and have sensitive gastrointestinal tracts should eat less seafood to avoid abdominal pain and diarrhea.

Crayfish itself is a warm food. After eating it, the body may feel hot and dry. At this time, if you eat some warm food, such as mutton, chestnuts or durian, these are naturally delicious and nutritious.

However, if you eat crayfish before eating it, the heat will worsen, ranging from dry mouth and tongue to severe constipation.

There are also oxalic acid and phosphorus elements. Oxalic acid is not conducive to the absorption of minerals, and crayfish is one of the delicacies with the most minerals. Therefore, after eating crayfish, avoid eating spinach, plums and other oxalic acid foods as well as animal livers.

Also avoid eating too much while waiting for food.