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THE CHALLENGES OF METABOLIC SYNDROME IN EATING DISORDERS
James I Hudson1,2, Kristin N Javaras3,2, Harrison G Pope1,2
1Biological Psychiatry Laboratory and Psychiatric Epidemiology Research Program, McLean Hospital, Belmont, MA.
Abstract:
A number of studies have examined the association of the three major eating disorders - anorexia nervosa, bulimia nervosa, and binge-eating disorder - with metabolic syndrome, or with individual components of metabolic syndrome, such as obesity, type 2 diabetes, hypertension, and dyslipidemia. Present evidence suggests that anorexia nervosa confers no excess risk of metabolic syndrome and may be associated with lower risk of certain metabolic syndrome components, including obesity and type 2 diabetes. Bulimia nervosa shows associations with increased risk for metabolic syndrome components in some studies, but not in others. Binge-eating disorder, however, is strongly associated with increased risk for both metabolic syndrome and its components - and these associations appear to be mediated not only through elevated body weight, but also possible body-weight-independent factors. Given that binge-eating disorder is the most common eating disorder, treatment and prevention of metabolic syndrome in this group represents a significant clinical and public health challenge.
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