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Eating Disorders and Disordered Eating Behaviors: Prevention, Mechanisms, Treatments, and Outcomes

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Nutrition and Public Health".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 759

Special Issue Editors


E-Mail Website
Guest Editor
Food Science and Human Nutrition Unit, University Campus Biomedico of Rome, 00128 Rome, Italy
Interests: eating disorders; eating behaviors; disordered eating behaviors; anorexia nervosa; bulimia nervosa; binge eating disorder

E-Mail Website
Guest Editor
Department of Philosophy, Sociology, Education, and Applied Psychology, Section of Applied Psychology, University of Padova, 35121 Padova, Italy
Interests: eating disorders; eating behaviors; disordered eating behaviors; food addiction; orthorexia nervosa; drunkorexia
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Eating disorders (e.g., Anorexia Nervosa, Bulimia Nervosa, and Binge Eating Disorder) and disordered eating behaviors (e.g., food addiction, orthorexia nervosa, and drunkorexia) represent a significant and growing public health concern worldwide. These conditions are associated with severe psychological, medical, and social consequences, often leading to chronic impairment and reduced quality of life.

Despite considerable advances in our understanding of these phenomena, several questions remain unanswered regarding their underlying mechanisms, risk and protective factors, and optimal treatment approaches. Moreover, the boundaries between clinical eating disorders and subclinical disordered eating behaviors are often unclear, highlighting the need for research that addresses the full spectrum of eating pathology.

This Special Issue aims to advance our understanding of eating disorders and disordered eating behaviors by bringing together empirical research, theoretical contributions, and clinical perspectives. We welcome original research articles, reviews, meta-analyses, and study protocols.

Topics of interest include (but are not limited to) the following:

  • Risk factors, protective factors, and underlying mechanisms of eating disorders and disordered eating behaviors;
  • Prevention programs and early intervention strategies;
  • Psychological, pharmacological, nutritional, and multidisciplinary treatment approaches; Long-term outcomes, recovery processes, and sequelae;
  • Assessment and psychometric evaluation of eating pathology;
  • Cross-cultural perspectives on eating disorders and disordered eating behaviors.

Dr. Laura Dalla Ragione
Dr. Alessandro Alberto Rossi
Guest Editors

Andrea Tagliagambe E-Mail Website
Guest Editor Assistant
Affiliation: Residence Cabrini DCA, Pontremoli, Italy
Interests: eating disorders; eating behaviors; disordered eating behaviors; anorexia nervosa; bulimia nervosa; binge eating disorder

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Keywords

  • eating disorders
  • disordered eating behaviors
  • anorexia nervosa
  • bulimia nervosa
  • binge eating disorder
  • prevention and treatment
  • risk factors
  • psychological mechanisms
  • treatment oucomes

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Published Papers (1 paper)

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Research

18 pages, 444 KB  
Article
Compulsive Skin Picking in Anorexia Nervosa: A Qualitative Study of Emotional and Interoceptive Dysregulation
by Jaworski Mariusz and Giersz Urszula
Nutrients 2026, 18(7), 1070; https://doi.org/10.3390/nu18071070 - 27 Mar 2026
Viewed by 403
Abstract
Background: Body-focused repetitive behaviors (BFRB), including compulsive skin picking, are observed in patients with anorexia nervosa (AN). However, their functional significance remains unclear. AN is characterized by chronic energy restriction and altered interoceptive processing, which may contribute to persistent internal tension beyond overt [...] Read more.
Background: Body-focused repetitive behaviors (BFRB), including compulsive skin picking, are observed in patients with anorexia nervosa (AN). However, their functional significance remains unclear. AN is characterized by chronic energy restriction and altered interoceptive processing, which may contribute to persistent internal tension beyond overt eating symptoms. This study aimed to explore the functional meaning of compulsive skin picking as a potential behavioral marker of emotional and interoceptive dysregulation relevant to clinical assessment and treatment planning. Methods: A qualitative descriptive study was conducted among 33 hospitalized patients with AN who reported recurrent skin picking leading to tissue damage. Patients were undergoing structured nutritional rehabilitation. Individual semi-structured interviews were performed. Results: Patients with AN described a consistent emotional and physiological sequence preceding skin picking: increased internal tension followed by short-term relief and subsequent self-directed negative emotions. Episodes occurred in contexts of emotional overload, understimulation, reduced emotional awareness, and, in some cases, hunger- or meal-related stress. Participants described the behavior as partly intentional, serving to reduce tension, but at times occurring almost automatically. It was closely connected with eating-related anxiety and dissatisfaction with the body. Conclusions: The findings indicate that compulsive skin picking in AN may reflect underlying emotional and interoceptive instability, instead of being an unrelated co-occurring symptom. In the broader context of chronic energy restriction, such behaviors may reflect attempts to modulate internally generated physiological arousal. Incorporating routine assessment of BFRB into clinical practice could improve the identification of ongoing emotional instability and support more coordinated multidisciplinary care. Future studies combining qualitative insights with physiological measures would help clarify the mechanisms underlying this association. Full article
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