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Autism treated by Vitamin D: Dr. Cannell - video June 2013

Speech at the Commonwealth Club in San Francisco, California

Given at the same time as the Vitamin D Workshop

YouTube Video


PDF of the slides is attached at the bottom of this page
You may want to read the slides in a 2nd window while viewing the YouTube video



  1. Both have strong inheritance features – Vitamin D about 60%
  2. Both have gotten substantially worse in last 30 years
  3. Vitamin D is known to be involved in brain development
  4. All autistic children are VitD deficient, but not all children who are deficient are autistic: genes are involved
  5. When giving vitamin D to cure children of rickets “mental dullness” decreases as well
  6. Children with genes which give them too much (Williams Syndrome) have to reverse of autism – too sociable
  7. Mothers having lots of fish (and thus more vitamin D) give birth to kids with less autistic symptoms
  8. Both associated with weak bones
  9. Both worse around the age of weaning
  10. Autism is more common in rich families – more likely to apply sun screen and stay indoors
  11. Autism increases with drugs which lower levels of vitamin D
  12. Seizures are common with Autism - Vitamin D has been shown to reduce seizures
  13. Fewer autistic symptoms (such as sleep problems) during summer: when child gets more vitamin D from the sun
  14. Both worse with latitude
  15. Both vary with Ultraviolet light
  16. Both vary with time of year (more birth of autistics in March in Northern hemisphere)
  17. 2X more urban autism – less UVB in urban environments
  18. Both worse with pollution
  19. Both worse with increased clouds and rain
  20. Both worse with closely spaced pregnancies
  21. Autistics have abnormal immune response – similar to that of vitamin D deficiency
  22. Low levels of vitamin D in mother animals reduces brain function in offspring
  23. Vitamin deficient rat pups have similar brain abnormalities to that of human autistic children
  24. Autistic children get less vitamin D in their blood for the same amount of sun exposure
  25. The 4 males/1 female ratio - Note estrogen increases vitamin D in the brain (testosterone does not)
  26. Both worse in African Americans (A-A 2-3 increased autism rate)
  27. Both worse in Dark-skinned immigrants in Europe


See also VitaminDWiki

Note Dr. Cannell's response to question #30 in the webinar
Accidentally 3 mothers gave 3 dropper fulls instead of 3 drops worth of vitamin D to their austistic children
Dr. Cannell did not say, but a typical standard is 2,000 IU in a drop, so the children got 60,000 IU per day
There was a rapid recovery in all three cases.
Dr. Cannell speculated that the future goal for Autism might be a vitamin D level of 150 ng instead of the current 50-80 ng level

See also web

Short url = http://is.gd/autism62013

Autism treated by Vitamin D: Dr. Cannell - video June 2013        

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