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Low dietary intake of magnesium is associated with increased externalising behaviours in adolescents
journal contributionposted on 2023-04-17, 01:40 authored by LJ Black, KL Allen, P Jacoby, GS Trapp, CM Gallagher, SM Byrne, WH Oddy
AbstractObjectiveAdequate Zn and Mg intakes may be beneficial for the prevention and treatment of mental health problems, such as depression, anxiety and attention-deficit hyperactivity disorder. We aimed to investigate the prospective association between dietary intakes of Zn and Mg and internalising and externalising behaviour problems in a population-based cohort of adolescents.DesignProspective analysis (general linear mixed models) of dietary intakes of Zn and Mg assessed using a validated FFQ and mental health symptoms assessed using the Youth Self-Report (YSR), adjusting for sex, physical activity, family income, supplement status, dietary misreporting, BMI, family functioning and energy intake.SettingWestern Australian Pregnancy Cohort (Raine) Study.SubjectsAdolescents (n 684) at the 14- and 17-year follow-ups.ResultsHigher dietary intake of Mg (per sd increase) was significantly associated with reduced externalising behaviours (β=−1·45; 95 % CI −2·40, −0·50; P=0·003). There was a trend towards reduced externalising behaviours with higher Zn intake (per sd increase; β=−0·73; 95 % CI −1·57, 0·10; P=0·085).ConclusionsThe study shows an association between higher dietary Mg intake and reduced externalising behaviour problems in adolescents. We observed a similar trend, although not statistically significant, for Zn intake. Randomised controlled trials are necessary to determine any benefit of micronutrient supplementation in the prevention and treatment of mental health problems in adolescents.
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Dietary intakeMagnesiumMental healthRaine StudyAdolescentAdolescent BehaviorAnxietyAustraliaChild Behavior DisordersDepressionDietEnergy IntakeFemaleHumansMagnesium DeficiencyMaleProspective StudiesSelf-ControlZincPediatricBrain DisordersClinical Trials and Supportive ActivitiesMental HealthNutritionClinical ResearchBehavioral and Social SciencePrevention2 Aetiology2.3 Psychological, social and economic factorsOral and gastrointestinal3 Good Health and Well BeingMedical and Health Sciences