The effects of fatty fish intake on adolescents' nutritional status and associations with attention performance: results from the FINS-TEENS randomized controlled trial

Nutrition Journal
Katina HandelandLisbeth Dahl

Abstract

Adolescence involves changes in dietary habits that may induce imbalances in the intake of different nutrients. Fish is an important dietary source of omega-3 (n-3) long-chain polyunsaturated fatty acids (LCPUFAs), vitamin D, several minerals and high-quality protein. By using secondary outcomes and exploratory analyses, the aims of this paper were to evaluate if nutritional biomarkers (red blood cell fatty acids, serum (s)-25(OH)D, s-ferritin and urinary iodine concentration (UIC)) were altered during a dietary intervention, and if they mediated previously reported changes in attention performance. In addition, to examine the status of the biomarkers and explore associations between dietary pattern, biomarkers and attention performance cross-sectionally at baseline. The Fish Intervention Studies-TEENS (FINS-TEENS) was a three-armed intervention trial, including adolescents from eight secondary schools (n = 415; age: 14-15y) in Bergen, Norway. Participants were individually randomized to receive either fish meals, meat meals or n-3 LCPUFA supplements, three times a week for a total of 12 weeks. Blood and urine samples were collected pre and post intervention and attention performance was assessed with the d2 test of attention. ...Continue Reading

Associated Clinical Trials

References

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Citations

Jan 8, 2020·Genes & Nutrition·Cătălina CuparencuLars O Dragsted
Aug 5, 2020·Thyroid : Official Journal of the American Thyroid Association·Maria Wik MarkhusMarian Kjellevold
May 11, 2021·Critical Reviews in Food Science and Nutrition·Kristin KruegerMarietta Zille
May 13, 2021·The Journal of Nutrition·Beate S SolvikTor A Strand

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Clinical Trials Mentioned

NCT02350322

Software Mentioned

Stata
Fish Intervention Studies - TEENS FINS - TEENS
Statistical Package for the Social Sciences ( SPSS®

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