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Relation between vitamin D and impulse behaviours in patients with eating disorder: a pilot observational study
Author(s) -
Todisco Patrizia,
Meneguzzo Paolo,
Vogazianos Paris,
Garolla Alice,
Antoniades Athos,
Tozzi Federica
Publication year - 2020
Publication title -
european eating disorders review
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.511
H-Index - 67
eISSN - 1099-0968
pISSN - 1072-4133
DOI - 10.1002/erv.2740
Subject(s) - observational study , eating disorders , psychology , psychiatry , clinical psychology , impulse (physics) , medicine , physics , quantum mechanics
Objective There is growing evidence that vitamin D levels have a role not only in bone health and energy metabolism, but also for supporting nervous system and brain functions, including impulsivity. Impulsive behaviours are considered characteristics of great relevance in patients with Eating Disorders (ED) both for the course of the illness and for the treatment. The aim of this study is to examine the relationship between impulsive behaviours and vitamin D in patients with ED. Method 236 patients with a diagnosis of ED, consecutively recruited at an ED ward between 2014 and 2018, were enrolled. Patients were classified as impulsive or non‐impulsive based on the presence of clinically relevant impulsive behaviours. Results Impulsive patients were found to have statistically significant lower levels of vitamin D than non‐impulsive ( p = .007). A threshold value of 20.4 ng/ml for discriminating impulsive from non‐impulsive patients was found. Discussion This hypothesis generating study partially confirmed a relationship between vitamin D deficiency and impulsive behaviours in ED spectrum mediated by body weight, even if results were not confirmed after corrected by obesity. No definitive conclusion may be taken on whether the effect is reduced due to the loss of power. Future directions are discussed.

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