Vitamin D deficiency has been proposed as a possible risk factor for developing autism spectrum disorder (ASD). 25-Hydroxyvitamin D 3 (25(OH)D 3) levels were examined in a cross-sectional population-based study in the Faroe Islands. The case group consisting of a total population cohort of 40 individuals with ASD (aged 15–24 years) had significantly lower 25(OH)D 3 than their 62 typically-developing siblings and their 77 parents, and also significantly lower than 40 healthy age and gender matched comparisons. There was a trend for males having lower 25(OH)D 3 than females. Effects of age, month/season of birth, IQ, various subcategories of ASD and Autism Diagnostic Observation Schedule score were also investigated, however, no association was found. The very low 25(OH)D 3 in the ASD group suggests some underlying pathogenic mechanism.
CITATION STYLE
Kočovská, E., Andorsdóttir, G., Weihe, P., Halling, J., Fernell, E., Stóra, T., … Gillberg, C. (2014). Vitamin D in the General Population of Young Adults with Autism in the Faroe Islands. Journal of Autism and Developmental Disorders, 44(12), 2996–3005. https://doi.org/10.1007/s10803-014-2155-1
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