Abstract
Abstract Background Attention-deficit/hyperactivity disorder (ADHD) is the most common neurodevelopmental disorders in childhood and adolescence. Dietary interventions such as omega-3 FA, vitamin and mineral supplementations might affect ADHD symptoms. Aim To compare serum level of vitamin D in children with ADHD with its different subtypes in relation to healthy controls. Methods a case control study was conducted on 108 children divided equally between healthy children and ADHD cases. Vit D was measured. Assessment of habitual vitamin D intake was done by using a vitamin D food frequency questionnaire. Results The median weekly vitamin D intake for the ADHD group was significantly lower than that for the control group, p < 0. 001. The ADHD group had significantly lower 25-Hydroxy Vitamin D level the control group (p < 0. 001). Vitamin D level was considered independent predictor of ADHD susceptibility. Conclusion Patients with ADHD have lower serum concentrations of 25- hydroxyvitamin D than do healthy children.
Published Version
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