Food Frequency Questionnaires Validated in Brazil: A Scoping Review Acsa Nara A. Brito Barros, Maria Luisa N. Felipe, Maria Fernanda S. Bezerra, Lucia Leite‐Lais, Lucia Fátima Campos Pedrosa Journal of Human Nutrition and Dietetics, 2026 Objective To map food frequency questionnaires (FFQs) validated for the Brazilian population. Methods This review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta‐Analyses for Scoping (PRISMA‐ScR) guidelines and the Joanna Briggs Institute (JBI). Studies that validated FFQs specifically for the Brazilian population were included. These instruments assessed the intake of energy, nutrients, foods and food groups. Review articles and studies that did not focus on FFQ validation for Brazil or its populations were excluded. A search of articles published up to June 2025 was conducted in the PubMed/MEDLINE, LILACS, Embase, Web of Science (ISI), Scopus and Google Scholar databases. Results A total of 69 articles were identified, dating back to the late 1990s: Southeast ( n = 35), South ( n = 12), Northeast ( n = 10), Central‐West ( n = 4), North ( n = 1) and studies covering two or more regions or populations ( n = 7). The FFQs were validated in populations of children and adolescents ( n = 18), adults and older adults ( n = 36) and women ( n = 15). These studies differed in terms of food list size, portion size and the number of frequency categories. Conclusion Compiling and disseminating FFQs validated in Brazil will improve their use in clinical practice and provide a valuable resource for designing future research on food consumption.
Glycemic Changes Related to Arsenic Exposure: An Overview of Animal and Human Studies Geovanna Beatriz Oliveira Rosendo, Rannapaula Lawrynhuk Urbano Ferreira, Séphora Louyse Silva Aquino, Fernando Barbosa, Lucia Fatima Campos Pedrosa Nutrients, 2024 Background: Arsenic (As) is a risk factor associated with glycemic alterations. However, the mechanisms of action and metabolic aspects associated with changes in glycemic profiles have not yet been completely elucidated. Therefore, in this review, we aimed to investigate the metabolic aspects of As and its mechanism of action associated with glycemic changes. Methods: We searched the PubMed (MEDLINE) and Google Scholar databases for relevant articles published in English. A combination of free text and medical subject heading keywords and search terms was used to construct search equations. The search yielded 466 articles; however, only 50 were included in the review. Results: We observed that the relationship between As exposure and glycemic alterations in humans may be associated with sex, smoking status, body mass index, age, occupation, and genetic factors. The main mechanisms of action associated with changes induced by exposure to As in the glycemic profile identified in animals are increased oxidative stress, reduced expression of glucose transporter type 4, induction of inflammatory factor expression and dysfunction of pancreatic β cells. Conclusions: Therefore, As exposure may be associated with glycemic alterations according to inter-individual differences.
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