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Review
. 2021 Nov 1;34(6):515-524.
doi: 10.1097/YCO.0000000000000739.

Incidence, prevalence and mortality of anorexia nervosa and bulimia nervosa

Annelies E van Eeden  1   2 , Daphne van Hoeken  1 , Hans W Hoek  1   2   3
Affiliations
Review

Incidence, prevalence and mortality of anorexia nervosa and bulimia nervosa

Annelies E van Eeden et al. Curr Opin Psychiatry. .

Abstract

Purpose of review: To review the recent literature on the epidemiology of anorexia nervosa and bulimia nervosa in terms of incidence, prevalence and mortality.

Recent findings: Although the overall incidence rate of anorexia nervosa is considerably stable over the past decades, the incidence among younger persons (aged <15 years) has increased. It is unclear whether this reflects earlier detection or earlier age of onset. Nevertheless, it has implications for future research into risk factors and for prevention programs. For bulimia nervosa, there has been a decline in overall incidence rate over time. The lifetime prevalence rates of anorexia nervosa might be up to 4% among females and 0.3% among males. Regarding bulimia nervosa, up to 3% of females and more than 1% of males suffer from this disorder during their lifetime. While epidemiological studies in the past mainly focused on young females from Western countries, anorexia nervosa and bulimia nervosa are reported worldwide among males and females from all ages. Both eating disorders may carry a five or more times increased mortality risk.

Summary: Anorexia nervosa and bulimia nervosa occur worldwide among females and males of all age groups and are associated with an increased mortality risk.

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Conflict of interest statement

There are no conflicts of interest.

Figures

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