By using these simple tips, you can cut through the confusion and learn how to create—and stick to—a tasty, varied, and nutritious diet that is as good for your mind as it is for your body. While some extreme diets may suggest otherwise, we all need a balance of protein, fat, carbohydrates, fiber, vitamins, and minerals in our diets to sustain a healthy body. You don’t need to eliminate certain categories of food from your diet, but rather select the healthiest options from each category.