Fish is a favorite food for people, but if it is not processed properly, it will bring many diseases to human beings.
After decocting fish, fish will produce more benzopyrene. It is a strong carcinogen and its toxicity exceeds aflatoxin. In addition, the protein content of fish is abundant. If the fish is burnt, macromolecule protein will split into low-molecular amino acids and mutagenic chemicals may be formed.
There is a certain relationship between salted fish and the occurrence of nasopharyngeal cancer, which has long been recognized by scientists. Research shows that eating salty fish is more carcinogenic than eating salted fish in adults. The reason why salted fish causes nasopharyngeal cancer is that some proteins in the fish will decompose secondary amines during salting. Animal experiments have also shown that rats will develop cancer when they eat salted fish, while those who do not eat salted fish do not develop cancer.
The fish contains unsaturated fatty acids such as eicosapentaenoic acid and icosahexaenoic acid. Although these fatty acids can lower blood cholesterol levels and prevent cardiovascular and cerebrovascular diseases, these substances can also be oxidized into harmful substances. Substances - lipid peroxides, which damage the health of humans and accelerate the aging process, and vitamin E can inhibit the peroxidation and reduce the production of lipid peroxides. Therefore, if you eat fish often, you will increase the consumption of vitamin E. If you do not add it in time, it may affect your health. The method of supplementing vitamin E from food is to eat more corn oil, soybean oil, eggs, etc. It is also possible to take some vitamin E capsules orally.
The eicosapentaenoic acid contained in fish fat is metabolized by prostacyclin, which lowers blood fat, lowers blood viscosity, inhibits platelet aggregation, and prevents cardiovascular disease. However, for patients with liver cirrhosis, it is Harmful, because the body is difficult to produce clotting factors during the liver cirrhosis, coupled with thrombocytopenia, it is easy to cause bleeding, if you eat sardines rich in eicosapentaenoic acid, herring, tuna, etc., will make the condition worse, worse Therefore, patients with liver cirrhosis should be fasting these fish, and small amounts of eel and flounder containing eicosapentaenoic acid can be eaten in small quantities.
Fish also contains purine substances. If there is gout, it is caused by disorder of purine metabolism in the body. The main manifestation is that the content of uric acid in the blood is too high and it can cause joints, connective tissues, and kidneys to occur in people. A series of symptoms, people suffering from gout eating fish will increase the symptoms.
Therefore, if you suffer from bleeding problems such as thrombocytopenia, hemophilia, and vitamin E deficiency, it is better to eat less or not eat fish.
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