The aims for this study were to perform a Portuguese language cross-cultural adaptation of the Teruel Orthorexia Scale (TOS) and to evaluate the scale’s psychometric properties, including verifying the frequency of behaviors characteristic of orthorexia nervosa and healthy orthorexia, among a group of Brazilian gym users. First, we adapted the Spanish version of the TOS to the Brazilian Portuguese language following international protocols to guarantee idiomatic, semantic, conceptual, and cultural equivalence. Then participants completed both the new Portuguese version of the TOS and a socioeconomic questionnaire. Among our sample of 226 young Brazilian adults (63.7% men; M age = 28.8, SD = 5.1 years), we assessed the bi-factorial model of the TOS through factorial, convergent, and discriminant validity, reliability, and factorial invariance. We calculated the mean scores of the TOS factors and the frequency of behaviors of both orthorexia nervosa and healthy orthorexia. The new Portuguese version was well understood by participants, and the TOS bi-factorial model presented adequate psychometric properties and showed invariance in independent subsamples and in men and women. The mean scores were different between sexes only for orthorexia nervosa, with women obtaining higher values. The frequency of orthorexia nervosa behaviors was 5.3% and of healthy orthorexia was 41.2%. Based on these findings, the Brazilian Portuguese version of the TOS can be a useful tool for investigating orthorexia-like behaviors in future research.

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A pandemia nos fez sentir quase impotentes, nos obrigando a exercitar nossa humildade e, quem sabe, conseguiremos as respostas que até aqui não conseguimos obter. Porém, uma coisa parece óbvia, a vacina contra a COVID-19 é o caminho mais sólido para mitigar a pandemia – será?  Será que é tão óbvio assim? Por que uma parcela expressiva da população ainda resiste a vacinação2? A ciência e seus principais cientistas estão fazendo um trabalho mais que brilhante, mas será que suas descobertas chegam a todos nós com a mesma clareza?

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