An eating disorder characterized by refusal to eat, purging, excessive weight loss and distorted body image. we picture a teenager or young adult who is underweight, often dramatically so. Anorexia falls into 2 general types: Restricting type. People with this type of anorexia nervosa place severe restrictions on the quantity and type of food they consume. ... Binge eating/purging type. People with this type of anorexia also place restrictions on the food they eat.