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Psychiatric Aspects of Obesity: A Narrative Review of Pathophysiology and Psychopathology.

Francesco WeissMargherita BarbutiGiulia CarignaniAlba CalderoneFerruccio SantiniIcro MaremmaniGiulio Perugi
Published in: Journal of clinical medicine (2020)
In the last decades, obesity has become a major concern for clinical and public health. Despite the variety of available treatments, the outcomes remain-by and large-still unsatisfactory, owing to high rates of nonresponse and relapse. Interestingly, obesity is being associated with a growing surge of neuropsychiatric problems, certainly related to the pathogenesis of this condition, and likely to be of great consequence as for its treatment and prognosis. In a neurobiologic direction, a sturdy body of evidence has recently shown that the immune-metabolic-endocrine dyscrasias, notoriously attached to excess body weight/adiposity, affect and impair the morpho-functional integrity of the brain, thus possibly contributing to neuroprogressive/degenerative processes and behavioral deviances. Likewise, in a neuropsychiatric perspective, obesity displays complex associations with mood disorders and affective temperamental dimensions (namely cyclothymia), eating disorders characterized by overeating/binge-eating behaviors, ADHD-related executive dysfunctions, emotional dysregulation and motivational-addictive disturbances. With this review, we attempt to provide the clinician a synoptic, yet exhaustive, tool for a more conscious approach to that subset of this condition, which could be reasonably termed "psychiatric" obesity.
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