Kelly’s doctor has concerns about the fluctuation of her weight. She has struggled with diets her whole life but is still 120 pounds over the average weight for her size. The doctor is concerned about symptoms that may indicate an eating disorder. During an examination the physician asked Kelly about her eating habits. The patient appeared to experience shame and distress when attempting to explain. She will eat between meals and often times will consume more than she needs. What disorder is being described by Kelly?