Bulimia nervosa overview: Difference between revisions
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{{Bulimia nervosa}} | {{Bulimia nervosa}} | ||
{{CMG}}; {{AE}} | {{CMG}}; {{AE}} {{Y.A}} | ||
==Overview== | ==Overview== | ||
Bulimia is an [[eating disorder]] in which an individual purges after they eat large quantities of food in a short period of time. Bulimia is linked with many [[mental disorder]]s, one of the most prominent of which is [[depression]]. Those with this disorder fear gaining weight as a result of the [[binge eating]] episodes they go on, so they resort to extreme ways to counteract that such as forcing themselves to [[vomit]].<ref name="pmid21418667">{{cite journal| author=Hay PJ, Claudino AM| title=Bulimia nervosa. | journal=BMJ Clin Evid | year= 2010 | volume= 2010 | issue= | pages= | pmid=21418667 | doi= | pmc=3275326 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21418667 }} </ref> | |||
==Historical Perspective== | ==Historical Perspective== | ||
Bulimia is a Greek term that translates to "ravenous hunger". Gerald Russell became the first person to publish a description of bulimia nervosa in 1979. | |||
==Pathophysiology== | ==Pathophysiology== | ||
Bulimia is related to deep [[psychological]] issues and feelings of lack of control. They may feel a loss of control during a binge, and consume great quantities of food (over 20,000 calories). There are higher rates of [[eating disorder]]s in groups involved in activities that emphasize thinness and body type, such as gymnastics, dance and cheerleading, figure skating. | |||
==Classification== | ==Classification== | ||
Bulimia nervosa may be classified in to two types on the basis of purging behavior into purging and non-purging types. | |||
==Causes== | ==Causes== | ||
==Screening== | ==Screening== | ||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
==Epidemiology and Demographics== | ==Epidemiology and Demographics== | ||
Very few studies regarding bulimia nervosa have been conducted on the general population, and thus, very little data is available. Bulimia nervosa is more prominent in females than in males. 0.1% to 1.4% of males are affected whereas 0.3% to 9.4% of females are affected. | |||
==Risk Factors== | ==Risk Factors== | ||
The risk for Bulimia nervosa may be increased due to possible [[genetic predisposition]], [[hormonal]] imbalances, and poor body image and self esteem. | |||
==Natural History, Complications and Prognosis== | ==Natural History, Complications and Prognosis== | ||
Bulimia typically tends to start in late teens or early 20s. Bulimics go through cycles of over-eating and purging, that may be severe and devastating to the body. This cycle may be repeated several times a week or, in serious cases, several times a day. Bulimics may appear underweight, normal weight or overweight. Bulimia may cause several complications including [[malnutrition]], [[dehydration]], [[electrolyte imbalance]], and [[Vitamin deficiency|vitamin]] and [[mineral]] deficiencies. The Eating Disorders Association of UK estimates it at 10%. An 18% mortality rate has been suggested for anorexia. | |||
==Diagnosis== | ==Diagnosis== | ||
===History and Symptoms=== | ===History and Symptoms=== | ||
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==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
[[Category:Psychiatry]] | [[Category:Psychiatry]] | ||
[[Category:Eating disorders]] | [[Category:Eating disorders]] | ||
[[Category:Disease]] | [[Category:Disease]] | ||
Latest revision as of 20:45, 29 July 2020
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Yashasvi Aryaputra[2]
Overview
Bulimia is an eating disorder in which an individual purges after they eat large quantities of food in a short period of time. Bulimia is linked with many mental disorders, one of the most prominent of which is depression. Those with this disorder fear gaining weight as a result of the binge eating episodes they go on, so they resort to extreme ways to counteract that such as forcing themselves to vomit.[1]
Historical Perspective
Bulimia is a Greek term that translates to "ravenous hunger". Gerald Russell became the first person to publish a description of bulimia nervosa in 1979.
Pathophysiology
Bulimia is related to deep psychological issues and feelings of lack of control. They may feel a loss of control during a binge, and consume great quantities of food (over 20,000 calories). There are higher rates of eating disorders in groups involved in activities that emphasize thinness and body type, such as gymnastics, dance and cheerleading, figure skating.
Classification
Bulimia nervosa may be classified in to two types on the basis of purging behavior into purging and non-purging types.
Causes
Screening
Differential Diagnosis
Epidemiology and Demographics
Very few studies regarding bulimia nervosa have been conducted on the general population, and thus, very little data is available. Bulimia nervosa is more prominent in females than in males. 0.1% to 1.4% of males are affected whereas 0.3% to 9.4% of females are affected.
Risk Factors
The risk for Bulimia nervosa may be increased due to possible genetic predisposition, hormonal imbalances, and poor body image and self esteem.
Natural History, Complications and Prognosis
Bulimia typically tends to start in late teens or early 20s. Bulimics go through cycles of over-eating and purging, that may be severe and devastating to the body. This cycle may be repeated several times a week or, in serious cases, several times a day. Bulimics may appear underweight, normal weight or overweight. Bulimia may cause several complications including malnutrition, dehydration, electrolyte imbalance, and vitamin and mineral deficiencies. The Eating Disorders Association of UK estimates it at 10%. An 18% mortality rate has been suggested for anorexia.