Question: Caleb, a cross-country runner, has been restricting his caloric intake, leading to significantly low body weight. He has an intense fear of gaining weight and engages in persistent overtraining behaviors that interfere with weight gain, even though he is already severely underweight. When his team physician pointed out these concerns, he did not view it as a problem and thinks his weight is in a good place. Which of the following diagnoses would you use? Bulimia nervosa Anorexia nervosa Binge eating disorder Body dysmorphic disorder