Abstract
Objective: The study sought to analyze the prevalence of people on a gluten-restricted diet in the absence of a diagnosis justifying the restriction or guidance from a qualified professional. Methods: The inclusion criteria was enrollment at Centro Universitário and the exclusion criteria was a previous diagnosis of celiac disease, wheat allergy or irritable bowel syndrome. Results: A prevalence of 16% of the sample adhered to the gluten-free diet. 40% of those interviewed said they adhered to it on their own account, motivated mainly by the desire to lose weight and the search for a healthier diet. The perception of a reduction in gastrointestinal or extra-gastrointestinal symptoms after the restriction was the third main motivation. Conclusion: The prevalence of adherence to the diet was considerably higher than expected, even in comparison with other Latin American countries. The presence of symptom reduction with gluten restriction suggests the presence of non-celiac gluten sensitivity, and it is imperative to establish a more resolutive diagnostic strategy.
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