Carbohydrates in the form of whole grains are an integral piece of a well-balanced diet and in the long run leads to greater weight loss. Diets that contain sufficient amounts of carbs and starches from bread also can help to maintain a healthy weight, report doctors at the Weight-control Information Network, a service of the National Institute of Diabetes and Digestive and Kidney Diseases. At the same time, there are some breads that are healthier and better for a diet than others.