Do You Want To Start Living A Healthier Lifestyle Today? Seafood is an important part of a healthy diet, so much so that the USDA has recommended that everyone should make seafood a major part of there diet. Seafood is high in protein, yet low in fat and contains Omega 3, which has been shown to help prevent heart disease. Just look at the populations of countries whose major diet is seafood and you will see that they are much healthier.