Epidemiologic evidence supporting the role of maternal vitamin D deficiency as a risk factor for the development of infantile autism.

@article{Grant2009EpidemiologicES,
  title={Epidemiologic evidence supporting the role of maternal vitamin D deficiency as a risk factor for the development of infantile autism.},
  author={William B Grant and Connie M Soles},
  journal={Dermato-endocrinology},
  year={2009},
  volume={1 4},
  pages={223-8}
}
This study examines whether maternal vitamin D deficiency is a risk factor for infantile autism disease (IAD). We used epidemiologic data seasonal variation of birth rates and prevalence of IAD for cohorts born before 1985. For seven studies reporting spring-to-summer excess birth rates for IAD, the season progressed from broad near 30 degrees N latitude, spring/summer in midlatitudes, to winter at the highest latitude. Also, using data from 10 studies, we found a strong effective latitudinal… CONTINUE READING
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