Fish which contains many vitamins and minerals. The American Heart Association has also recommended that people should eat fish at least twice a week because it is source of highly proteins. People should also intake Oily fish at least 2% of their daily calories because it contains omega-3 fats, which can be helpful in preventing heart disease, there is possibility of controlling overweight and cholesterol.The fish oily contains Omega-3 fatty acid. Since they are heart-healthy fats and thus useful in improving the blood platelets cells for better blood flow.