Answer :
Final answer:
Anorexia nervosa involves restricting food intake and fear of weight gain, while the presence of lanugo is a common sign in individuals with this disorder.
Explanation:
Anorexia nervosa is the eating disorder characterized by restricting food intake, leading to significantly low body weight and an intense fear of gaining weight. On the other hand, bulimia nervosa involves recurrent binge eating followed by compensatory behaviors. Individuals with bulimia nervosa typically have concerns about weight and shape.
The presence of lanugo on the skin, which is fine, downy hair, is often observed in individuals with anorexia nervosa due to the body's attempt to stay warm when body fat is low.
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