• Luis Rodrigo, Concepción Campos-Asensio, Miguel Ángel Rodríguez, Irene Crespo, and Hugo Olmedillas.
• Gastroenterology Unit, Hospital Universitario Central de Asturias (HUCA), Oviedo, Spain.
• J Formos Med Assoc. 2021 Jan 1; 120 (1 Pt 1): 107-120.

AbstractAge-related hearing loss (ARHL) is a major and increasingly prevalent health problem worldwide, causing disability and social isolation in the people who present it. This impairment is caused by genetic and environmental factors. Nutritional status has been identified as a related risk associated with hearing loss (HL). This scoping review aimed to characterize the links between HL and nutritional status. PubMed, Embase, Cochrane and Scopus databases were searched up to December 2019. Studies examining the relation between nutrition and dietary habits and HL were included. After screening 3510 citations, 22 publications were selected for inclusion in the current review, all of which were published between 2010 and 2019. Diets rich in saturated fats and cholesterol have deleterious effects on hearing that could be prevented by lower consumption. Conversely, greater consumption of fruit and vegetables, and of polyunsaturated fatty acids (omega-3) and anti-oxidants in the form of vitamins A, C, and E, prevent the development of ARHL. The current literature suggests a possible association between nutritional status and hearing loss. More studies are needed to better characterize the clinical consequences of this association.Copyright © 2020 Formosan Medical Association. Published by Elsevier B.V. All rights reserved.

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