Is obesity associated with taste alterations? a systematic review.

Autor:	Peinado BRR; Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Universidade Federal do Pará, Belém, Brazil., Frazão DR; Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Universidade Federal do Pará, Belém, Brazil., Bittencourt LO; Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Universidade Federal do Pará, Belém, Brazil., de Souza-Rodrigues RD; Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Universidade Federal do Pará, Belém, Brazil., Vidigal MTC; Division of Preventive and Community Dentistry, School of Dentistry, Federal University of Uberlandia, Uberlandia, Minas, Gerais, Brazil., da Silva DT; Division of Preventive and Community Dentistry, School of Dentistry, Federal University of Uberlandia, Uberlandia, Minas, Gerais, Brazil., Paranhos LR; Division of Preventive and Community Dentistry, School of Dentistry, Federal University of Uberlandia, Uberlandia, Minas, Gerais, Brazil., Magno MB; Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil., Fagundes NCF; School of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada., Maia LC; Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil., Lima RR; Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Universidade Federal do Pará, Belém, Brazil.
Jazyk:	angličtina
Zdroj:	Frontiers in endocrinology [Front Endocrinol (Lausanne)] 2023 Jun 02; Vol. 14, pp. 1167119. Date of Electronic Publication: 2023 Jun 02 (Print Publication: 2023).
DOI:	10.3389/fendo.2023.1167119
Abstrakt:	Background: Obesity is a growing chronic public health problem. The causes of obesity are varied, but food consumption decisions play an important role, especially decisions about what foods to eat and how much to consume. Food consumption decisions are driven, in part, by individual taste perceptions, a fact that can influence eating behavior and, therefore, body mass. Methodology: The searches were conducted in the electronic databases PubMed, Web of Science, Scopus, Lilacs, and the grey literature (Google Scholar and Open Grey). The acronym PECO will be used, covering studies with adult humans (P) who have obesity (E) compared to adult humans without obesity (C), having as an outcome the presence of taste alterations (O). After searching, duplicates were removed. The articles were first evaluated by title and abstract, following the inclusion and exclusion criteria; then, the papers were read in full. After the studies were selected, two reviewers extracted the data and assessed the individual risk of bias and control statements for possible confounders and bias consideration. The narrative GRADE system performed the methodological quality assessment using the New Castle Ottawa qualifier and analysis of certainty of evidence. Results: A total of 3782 records were identified from the database search, of these 19 were considered eligible. Forty percent of the eligible studies show that there was an association between obesity and different taste alterations for different flavors comparing with normal weights adults. In the methodological quality analysis of the nineteen studies, which assesses the risk of bias in the results, fifteen showed good methodological reliability, three showed fair methodological reliability, and one showed low methodological reliability. Conclusion: Despite methodological limitations, the results of the studies suggest the existence of a association between obesity and taste alterations, but further investigations with more sensitive methodologies are necessary to confirm this hypothesis. Systematic Review Registration: https://osf.io/9vg4h/, identifier 9vg4h. Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. (Copyright © 2023 Peinado, Frazão, Bittencourt, Souza-Rodrigues, Vidigal, da Silva, Paranhos, Magno, Fagundes, Maia and Lima.)
Databáze:	MEDLINE
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