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Vegetarian diet and orthorexia nervosa: a review of the literature.
Eat Weight Disord. 2021 Feb; 26(1):1-11.EW

Abstract

BACKGROUND

The number of individuals following a vegetarian diet has increased in the last 50 years. Although the causal connection between orthorexic behaviors and vegetarianism remains widely assumed, evidence in support of this assumption has been largely inconsistent.

OBJECTIVE

The purpose of the study was to conduct a review of the relationship between vegetarian diet and orthorexic eating behavior and to give future directions in this area.

METHODS

A search of the literature within PubMed/Medline was conducted. The search terms were "orthorexia", "orthorexic", "orthorexia and vegetarian", "orthorexia and vegan" and "orthorexia and vegetarianism". Out of 117 journal articles, 14 met the predefined inclusion criteria and were analyzed.

RESULTS

The results demonstrated that following a vegetarian diet was found to be related to orthorexic eating behaviors (in 11 out of 14 studies).

CONCLUSION

Further longitudinal research is needed to investigate whether following a vegetarian diet serves as a risk factor in the development of orthorexia nervosa.

LEVEL OF EVIDENCE

Level V, narrative review.

Authors+Show Affiliations

Institute of Psychology, University of Wroclaw, Dawida 1 Street, 50-527, Wrocław, Poland. anna.brytek-matera@uwr.edu.pl.

Pub Type(s)

Journal Article
Review

Language

eng

PubMed ID

31784944

Citation

Brytek-Matera, Anna. "Vegetarian Diet and Orthorexia Nervosa: a Review of the Literature." Eating and Weight Disorders : EWD, vol. 26, no. 1, 2021, pp. 1-11.
Brytek-Matera A. Vegetarian diet and orthorexia nervosa: a review of the literature. Eat Weight Disord. 2021;26(1):1-11.
Brytek-Matera, A. (2021). Vegetarian diet and orthorexia nervosa: a review of the literature. Eating and Weight Disorders : EWD, 26(1), 1-11. https://doi.org/10.1007/s40519-019-00816-3
Brytek-Matera A. Vegetarian Diet and Orthorexia Nervosa: a Review of the Literature. Eat Weight Disord. 2021;26(1):1-11. PubMed PMID: 31784944.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Vegetarian diet and orthorexia nervosa: a review of the literature. A1 - Brytek-Matera,Anna, Y1 - 2019/11/29/ PY - 2019/04/01/received PY - 2019/11/11/accepted PY - 2019/12/1/pubmed PY - 2021/6/24/medline PY - 2019/12/1/entrez KW - Eating behaviors KW - Orthorexia nervosa KW - Vegan diet KW - Vegetarian diet SP - 1 EP - 11 JF - Eating and weight disorders : EWD JO - Eat Weight Disord VL - 26 IS - 1 N2 - BACKGROUND: The number of individuals following a vegetarian diet has increased in the last 50 years. Although the causal connection between orthorexic behaviors and vegetarianism remains widely assumed, evidence in support of this assumption has been largely inconsistent. OBJECTIVE: The purpose of the study was to conduct a review of the relationship between vegetarian diet and orthorexic eating behavior and to give future directions in this area. METHODS: A search of the literature within PubMed/Medline was conducted. The search terms were "orthorexia", "orthorexic", "orthorexia and vegetarian", "orthorexia and vegan" and "orthorexia and vegetarianism". Out of 117 journal articles, 14 met the predefined inclusion criteria and were analyzed. RESULTS: The results demonstrated that following a vegetarian diet was found to be related to orthorexic eating behaviors (in 11 out of 14 studies). CONCLUSION: Further longitudinal research is needed to investigate whether following a vegetarian diet serves as a risk factor in the development of orthorexia nervosa. LEVEL OF EVIDENCE: Level V, narrative review. SN - 1590-1262 UR - https://www.unboundmedicine.com/medline/citation/31784944/Vegetarian_diet_and_orthorexia_nervosa:_a_review_of_the_literature_ L2 - https://dx.doi.org/10.1007/s40519-019-00816-3 DB - PRIME DP - Unbound Medicine ER -