Complete the following passage:
There is no doubt that fish as food is very good for us. Not only (a) ________ it contain proteins, important vitamins and minerals (b)__________ it is also low in fat and calories. In white fish (c) __________ fat content can be as low as 1% or 2% and (d) __________ average serving provides atleast one third of the daily recommended amount (e) __________ niacin which is vital for healthy skin. It is fish that contains omega-3 fatty acids (f)___________ are thought to lower the risk of heart disease.
