Improvement of weight and nutritional state are very critical parts in the treatment of anorexia nervosa. A reasonable measure is acknowledged about the general calorie requirements for weight accumulation and support of anorexia nervosa, but not much is known about the effects of nutritional defects on weight gain. In one study it was shown that anorexia patients chose the same meal to eat over, causing results in lower density foods. These eating habits usually follow in short-term recovery. Weight restoration is the key element to all of the treatment programs for anorexia nervosa. Individuals with anorexia start to become hypermetabolic. They lose weight a lot faster and need to eat even more food to gain weight. But it has been documented that those who have been previously obese can increase weight lot more quickly than those who have no history of obesity. Extended periods of malnutrition cause visible alterations in the muscles, the stomach wall, and digestive enzyme systems. The article talks about weight gain and the implications of the treatments. There’s a lot of valuable information in the report about the disorder. i believe that my reference covers a preponderance of the eating disorder and the treatments that help recover those with anorexia nervosa.