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Concept Analysis of Orthorexia Nervosa
1Health Science Center, Yangtze University, Jingzhou, Hubei, China.
Issues in Mental Health Nursing
|February 6, 2026
Summary
Orthorexia nervosa (ON) is an eating disorder characterized by an unhealthy obsession with "healthy" eating. This conceptual analysis clarifies ON's attributes, antecedents, and consequences, highlighting the need for better diagnostics and interventions.
Area of Science:
- Psychiatry
- Clinical Psychology
- Nutritional Science
Background:
- Orthorexia nervosa (ON) is an eating disorder characterized by a fixation on
Purpose of the Study:
- To analyze the concept of orthorexia nervosa (ON) using Walker and Avant's conceptual analysis approach.
- To identify key attributes, antecedents, and consequences of ON.
- To review existing assessment tools for ON and suggest areas for improvement.
Main Methods:
- Conceptual analysis based on Walker and Avant's framework.
- Literature review of existing research on ON.
- Analysis of diagnostic criteria and assessment tools for ON.
Main Results:
- ON is defined by obsessive attention to food quality, strict dietary rules, and significant distress or impairment from deviations.
- Antecedents include social media, perfectionism, and fitness culture.
- Consequences encompass malnutrition, physical decline, psychological distress, and social isolation.
Conclusions:
- Refining diagnostic criteria and improving measurement tools are crucial for understanding and diagnosing ON.
- Further research is needed to develop effective nursing interventions for individuals with ON.
- Addressing the psychological and social factors contributing to ON is essential for comprehensive care.
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