What is the role of vitamin D in autism?
Dermato-Endorcrinology January/February/March 2013 Volume 5, Issue 1
John J. Cannell, William B. Grant
A growing body of literature suggests that higher serum 25-hydroxyvitamin D [25(OH)D] concentrations, either in utero or in early life, may reduce the risk of autism. For example, an ecological study in the companion paper inversely correlated solar UV-B doses in the United States with prevalence of autism among those aged 6–17 y. That study proposed that vitamin D deficiency during pregnancy could account for this finding, although the findings are also consistent with childhood vitamin D deficiency contributing to the condition. Also, in a recent study, children with autism had lower serum 25(OH)D concentrations than did control subjects (19 vs. 33 ng/ml), despite parents of each group reporting the same amount of sun exposure. The same study found highly significant inverse correlations between 25(OH)D and autism rating scales and between 25(OH)D and levels of an antineuronal antibody. This finding indicates that higher serum 25(OH)D concentrations may reduce the symptoms of established autism. Because activated vitamin D, a secosteroid, upregulates DNA-repair genes, vitamin D deficiency during development may inhibit the repair of de novo DNA mutations in fetuses and infants and thus contribute to risk of autism. Vitamin D might also reduce the risk or severity of autism through its anti-inflammatory actions, antiautoimmune effects, increasing seizure threshold, increasing T-regulatory cells, protecting the mitochondria, and upregulating glutathione, which scavenges oxidative by-products and chelates (captures and excretes) heavy metals. Vitamin D deficiency during pregnancy and childhood is a widespread and growing epidemic.
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Autism category in VitaminDWiki starts with
Autism category has - see also Overview Autism and vitamin D, Autoimmune , Cognitive, ADHD
Interesting Autistic studies
Autism associated with low Vitamin D
- Most Autism Risk factors are associated with low vitamin D - March 2014
- Rickets – 26 percent had autism: no rickets, no autism (both associated with low vitamin D) – June 2015
- Autistics have half of the response to Vitamin D – RCT Oct 2018
- Vitamin D fights autism - trying to figure out how and why – May 2022
Autism TREATED by Vitamin D
- Autism in children reduced by Vitamin D (used 300 IU per kg per day) – RCT Oct 2016
- Autism treated by Vitamin D (monthly injection of 150,000 IU) – June 2017
- Autism decreased in 8 out of 10 children supplemented with vitamin D – April 2015
Autism PREVENTED by vitamins before and during pregnancy
- Autism risk is reduced by Vitamin D – early pregnancy or chlldhood – Umbrella review – July 2024
- Vitamin D and autism - treat: 300 IU per kg per day, prevent: during pregnancy 5,000 IU – Feb 2017
- Autism reduced 24% for each 4 ng more Vitamin D while pregnant ( ADHD 12%) – Feb 2024
- Autism rate cut in half when multivitamins (including vitamin D) used during pregnancy – Oct 2017
- Autism risk reduced 2X by prenatal vitamins (Vitamin D or Folic) – Feb 2019
- Autism 3X more likely after closely spaced pregnancy vs 3 year apart– Jan 2011
- Low Vitamin D decreases fertility and increases subsequent autism, ADHD, etc – Feb 2018
- Women who had supplemented with any vitamins were 6 X less likely to have autistic offspring – Jan 2018
- Autism rate in siblings reduced 4X by vitamin D: 5,000 IU during pregnancy, 1,000 IU to infants – Feb 2016
Autism and Vitamin D Receptor (not enough Vit D gets to the cells)
This list is automatically updated
- More than 30% of Autistics also have ADHD - Nov 2024
- Autism treated by an activator of the Vitamin D Receptor: supforaphane - March 2024
- Autism may be synergistically treated by Vitamin D and probiotics – July 2022
- Autism 2X to 3X more likely if poor Vitamin D Receptor – June 2020
- A good Vitamin D Receptor (or perhaps more vitamin D) protects against lead during pregnancy
- Autism much more likely if poor Vitamin D Receptor – many studies
Autism - other risk factors
- Autistic symptoms reduced by Vitamin D and or Omega-3 – RCT March 2019
- Autism risk increased if infant had antibiotics (2X), acetaminophen (3X), or no vitamin D drops (1.5X) – June 2018
- 20 X more Parkinson's and 100X more Autism with GMO soy in China
- Note >100X increase in Autism while having GMO soy in the US
- Fewer neurons in males born from COVID-19 vaccinated mothers (rats) - Jan 2024
- Vaccinations resulted in increased office visits for children 16 months later - Nov 2020
- Does a vaccine increase the risk of Autism – March 2019
- Autism 2.75 X more likely in Hib vaccines containing Mercury – May 2018
- Vaccinated children had more chronic diseases - Sept 2018
- Autism and ADHD type disorders were 14X more likely in survey of extreme preterm vaccinated infants - April 2017
Dr. Cannell on Autism and Vitamin D in VitaminDWiki
- Autism treated by Vitamin D (80 – 120 ng) – Cannell update May 2018
- Autism Causes, Prevention and Treatment: Vitamin D Deficiency etc. – Book April 2015 Cannell
- Autism cured in a child with Vitamin D, Dr. Cannell comments and cofactor recommendations – March 2015
- Autism and Vitamin D - Dr. Cannell in Life Extension Mag - Jan 2014
- Autism treated by Vitamin D: Dr. Cannell - video June 2013
- includes his list of 27 reasons to associate Vitamin D with Autism in 2013
- Many autistic children are getting some Vitamin D, Omega-3, probiotics, etc. – Aug 2019
- Autistic symptoms reduced by Vitamin D and or Omega-3 – RCT March 2019
- Omega-3 probably can decrease Autism and ADHD – March 2019
- Autism treated in one person by Omega-3 plus Vitamin D – Dec 2018
- Autism problems reduced by Vitamin D, Omega-3 – RCT Oct 2018
- ADHD, Autism, Early Psychosis and Omega-3 – review Dec 2017
- Autism risks include chemicals, deficiency of vitamin D, Omega-3 – mini-review April 2016
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