What are the benefits of fish?

There are great benefits from fish. This benefit lies in its nutritious and vitamin-rich meat. Its meat contains calcium, iodine, magnesium, iron, zinc, selenium, phosphorus and vitamins A, D, E. It also improves vision, normalizes the nervous system and improves sleep. Well, in many other ways it helps for health. In addition to the benefits of fish meat, there is poisonous fish (Fugu), the meat of which is also used in food. Fugu fish is prepared only by specially trained chefs, and there is always a risk of being poisoned by it.