15 Facts About Anorexia nervosa


Anorexia nervosa, often referred to simply as anorexia, is an eating disorder characterized by low weight, food restriction, body image disturbance, fear of gaining weight, and an overpowering desire to be thin.

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Anorexia is a term of Greek origin: an- and orexis, translating literally to "a loss of appetite"; the adjective nervosa indicating the functional and non-organic nature of the disorder.

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Anorexia nervosa was coined by Gull in 1873 but, despite literal translation, the feeling of hunger is frequently present and the pathological control of this instinct is a source of satisfaction for the patients.

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Anorexia nervosa often begins following a major life-change or stress-inducing event.

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Anorexia nervosa is an eating disorder characterized by attempts to lose weight to the point of starvation.

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Anorexia nervosa is more likely to occur in a person's pubertal years.

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Anorexia nervosa has been increasingly diagnosed since 1950; the increase has been linked to vulnerability and internalization of body ideals.

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Body dissatisfaction and internalization of body ideals are risk factors for anorexia nervosa that threaten the health of both male and female populations.

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Anorexia nervosa is classified under the Feeding and Eating Disorders in the latest revision of the Diagnostic and Statistical Manual of Mental Disorders .

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Patients with bulimia Anorexia nervosa are ordinarily at a healthy weight, or slightly overweight.

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Recovery for people with anorexia nervosa is undeniably positive, but recovery does not mean a return to normal.

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Anorexia nervosa can have serious implications if its duration and severity are significant and if onset occurs before the completion of growth, pubertal maturation, or the attainment of peak bone mass.

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IGF-1 is necessary for bone formation, and decreased levels in anorexia nervosa contribute to a loss of bone density and potentially contribute to osteopenia or osteoporosis.

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Abnormalities in conduction and repolarization of the heart that can result from anorexia nervosa include QT prolongation, increased QT dispersion, conduction delays, and junctional escape rhythms.

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The eating disorder is similar to that of typical anorexia nervosa but is more often accompanied by the overuse of laxatives in order to purge the individual of ingested food.

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