A number of specialists in the field of nutrition, the need for attention to the method used to cook and prepare fish for food, where they advised the need to avoid frying the fish oil as the frying fish lose nutritional benefits, and the best way to prepare fish is through Hoaúh. According to Time magazine reported, quoting lead researcher Dr. Donald Lloyd-Jones of Northwestern University, the American way of cooking fish is very important in determining the usefulness of food, when the fish fry, it does not lose a lot of benefits but also add malicious things associated with the process of frying. This has researchers followed a diet of about 85 thousand women reached menopause over ten years, on average, researchers have discovered that the risk of a deficit in the heart less than 30 percent in women who ate fish five or more times per week compared with women who ate fish less than once a month. But this benefit is only available if the grilled fish. What warn researchers is the need to immediately stop eating fish fried in oil, where they found that frying fish may increase the risk of a deficit in the heart increases by 48 percent among women who eat even one meal of fried fish per week compared with women who rarely eat fish or not approaching him. This is the fish of food rich in a number of important articles of the human body Kalahmad fat and omega - 3, and some types of fish contain these materials by the largest Kasmk salmon, mackerel, blue fish and thus are more beneficial to heart health.