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Newsletter: Vitamin D and autism

Posted on: May 15, 2007   by  John Cannell, MD


Autism is now epidemic in the industrialized world. A recent British study indicated the prevalence is 1 in every 88 children; not only is autism epidemic, it is catastrophic. If you are involved with autism, you know the etiology is unknown. Although symptomatic treatments exist, universally effective treatments are lacking. Until we discover the cause, effective treatments will evade us. Any theory of autism’s cause must account for all its unexplained facts such as:

Why has it increased so dramatically in the last 20 years? How could it increase if it is a genetic disease? Why can one identical twin be severely affected and the other not? Why are boys so much more likely to get it than girls? Why is it more common in blacks? Why do autistic children have larger heads? Why can’t they excrete heavy metals? Why is autism less common closer to the equator? Why do symptoms first appear around the age of weaning? Why do certain drugs, such as valproic acid, increase the risk? Why are seizures so common in autism? Why do autistic children have frequent infections? Why do mothers who consume seafood during their pregnancy have a reduced risk of having an autistic child? Why do a few autistic children seem to miraculously get better? Why do multivitamins seem to help? Why does fish oil help? We do not know the answers to these questions; we do not know how to prevent autism, nor how to treat it.

Now a single theory answers all these questions. Furthermore, this new theory implies simple prevention and raises, at least the possibility, of effective treatment—if treatment is instituted in young, autistic children before the brain damage is permanent.

Furthermore, if this new theory is correct, it means autism, at least the recent increase, is iatrogenic—that is, caused by the medical profession!

To read more about the Vitamin D Theory of Autism, see our site’s section on Autism and Vitamin D.

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