What is the primary difference between anorexia nervosa and bulimia nervosa? anorexia causes physical pain, whereas bulimia does not. anorexia is a chronic condition, whereas bulimia is often short term. anorexia typically develops in childhood or adolescence, whereas bulimia often develops in adulthood. people with anorexia are usually underweight, whereas people with bulimia are often at normal weight.

Your answer would be D. People with anorexia are usually underweight, whereas people with bulimia are often normal weight.

Bulimia refers to a trend where someone will over eat then throw it all up.

Anorexia refers to not eating much or nothing at all thinking that they are too fat.

The correct answer will be option-People with anorexia are usually underweight, whereas people with bulimia are often at normal weight.

Explanation:

Anorexia nervosa and bulimia nervosa are the eating disorders which are developed in humans when they think that they are too fatty.

This psychological condition develops due to the social, biological and environmental factors which changes the physiological changes in the patient.

Both types of Nervosa differs in a way that in anorexia nervosa, the person follows the path of starvation which results in significant weight of loss up to 15 kg or more bringing the person into underweight category whereas in Bulimia nervosa the person over eats and then induce a feeling of vomiting which results in the normal weight or above.

Thus, the selected option is the correct answer.