A nurse is participating in a community program about eating disorders. Which of the following information about bulimia nervosa should the nurse include in the presentation?

"As long as a person is not vomiting after eating they do not have bulimia nervosa."

"People who have bulimia nervosa are at risk for developing diabetes mellitus."

"Bulimia nervosa is difficult to notice because a person might be of average or ideal body weight."

"People who have bulimia nervosa eat an average amount of food on a daily basis."