Vitamin A present in fish oils is good for the eyes. Fish oils help reduce blood vessel inflammation that causes heart disease.
Mackerel, sardines, salmon, pilchards, trout and fresh tuna are the richest sources of Omega-3 types of polyunsaturated fatty acid.
Research has shown that consumption of oily fish, at least two portions in a week, can relieve rheumatoid arthritis, offset blindness and fight heart diseases.
Source: Medindia