Nutrition is comprised of diet and exercise. Maintaining a nutritious diet is a key part of living healthily, but this can be difficult. It is not as hard as you think to eat a healthy diet. The piece that follows can help you achieve greater overall health. It is important that you do not skip your protein needs. Steak and other red meats that are lean give you the best source of protein. Other good sources of protein are found in chicken and pork. Protein makes you feel full and aids the growth of muscle in your body, making it one of the most important nutrients to consume during any diet.