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New Discoveries May Unlock the Link Between Vitamin D Deficiency and Autism

Story at-a-glance -

  • Vitamin D gets converted into a steroid hormone that regulates over 1,000 different physiological processes, and controls around 5 percent of the human genome
  • Vitamin D regulates a gene responsible for the conversion of tryptophan into serotonin. Serotonin is crucial during fetal brain development. When vitamin D is lacking, so is serotonin, which can produce neurological defects
  • Vitamin D insufficiency may heighten maternal autoimmune responses by hindering tryptophan from being metabolized (by a second pathway) into kynurenine, which forms autoimmune-fighting T regulatory cells

By Dr. Mercola

When I was in medical school more than 32 years ago, the incidence of autism was 1 in 10,000. Today, the incidence has climbed to less than 1 in 50, according to CDC statistics.

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