By recalling the eating disorders as described in the textbook. an anorexia nervosa is the brief description which is accurately identified.
In biology, an Anorexia nervosa refers to eating disorder characterized by low weight, food restriction, body image disturbance, fear of gaining weight, and an overpowering desire to be thin.
The term "anorexia nervosa" was coined by Gull in 1873 which means the feeling of hunger is frequently present and the pathological control of this instinct is a source of satisfaction for the patients. Most individuals with anorexia nervosa have a fear of being overweight or being seen as such, although they are in fact underweight.
Further, people who have an anorexia try to keep their weight as low as possible by not eating enough food or exercising too much, or both and this can make them very ill because they start to starve.
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