Good night friend Steemit ... Fish is a low-calorie food, good high protein for the brain. All these benefits come from Omega 3 polyunsaturanted fatty acids, which is popularly called Omega 3, which is found in fish oil. The human season can not produce Omega 3 naturally. However, it is needed by the body to be healthy. Connect between Omega 3 and health Heart has long been known by us.However, some new studies show enough evidence that the small fatty fish is very important for the general welfare. Other such as tuna, sardines and halibut also contains high omega levels. This is a steemit friend I know about fish