The number of people suffering from constant tinnitus is ever-increasing and has spread to all age groups, including adolescents. The etiology of tinnitus is multifactorial, but dietary factors have been rarely investigated. The purpose of this study is to examine the relationship between dietary factors and constant tinnitus among adolescents from an urban environment. A population-oriented cross-sectional study was carried out during the 2019/2020 school year in 12 Belgrade secondary schools. There were 1287 school children aged from 15 to 19 years who participated in the study. There were 1003 respondents who completed a questionnaire on tinnitus (response rate 77.9%; 31% male). We used the standardized Tinnitus Screener questionnaire and a food frequency questionnaire specially designed for this study and adapted to Serbian adolescents. A logistic regression analysis revealed a strong negative correlation between fresh vegetables and fruits and tinnitus presence. On the other hand, the risk of constant tinnitus increased with the increased intake of white bread, carbonated beverages, and fast food. In conclusion, we show that fresh fruit and vegetable intakes may be negatively related to tinnitus frequency, while sweetened sodas, fast food, and white bread may raise the odds for tinnitus.
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