Anorexia Nervosa

Anorexia nervosa is a serious mental health disorder characterized by an inability to maintain a normal healthy body weight, often dropping below 85% of ideal body weight or below a body mass index (BMI, kg/m2) of 17.5. Anorexia nervosa is a relatively rare eating disorder, marked by significant weight loss, the fear of body fat or gaining weight, and restriction of nutritional intake. Individuals with anorexia nervosa also overevaluate their body shape and weight to the extent that the ability to control their bodies largely determines their self-worth. Weight loss is regarded as an accomplishment, whereas weight gain is recognized as an unacceptable failure of self-control.

The lifetime prevalence of anorexia nervosa ranges from 0.1% to 0.9% of the population, and approximately 75% of these cases ...

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