An article in the Journal of Immunotoxicology is entitled "Theoretical aspects of autism: Causes--A review." The author is Helen Ratajczak, surprisingly herself a former senior scientist at a pharmaceutical firm.
Ratajczak did what nobody else apparently has bothered to do: she reviewed the body of published science since autism was first described in 1943.
Not just one theory suggested by research such as the role of MMR shots, or the mercury preservative thimerosal; but all of them.

Ratajczak's article states, in part, that "Documented causes of autism include genetic mutations and/or deletions, viral infections, and encephalitis [brain damage] following vaccination [emphasis added]. Therefore, autism is the result of genetic defects and/or inflammation of the brain."

The article goes on to discuss many potential vaccine-related culprits, including the increasing number of vaccines given in a short period of time.
"What I have published is highly concentrated on hypersensitivity", Ratajczak told us in an interview, "the body's immune system being thrown out of balance."

Ratajczak also looks at a factor that hasn't been widely discussed: human DNA contained in vaccines.
That's right, human DNA. Ratajczak reports that about the same time vaccine makers took most thimerosal out of most vaccines (with the exception of flu shots which still widely contain thimerosal), they began making some vaccines using human tissue.

Ratajczak says human tissue is currently used in 23 vaccines. She discusses the increase in autism incidence corresponding with the introduction of human DNA to MMR vaccine, and suggests the two could be linked. Ratajczak also says an additional increased spike in autism occurred in 1995 when chicken pox vaccine was grown in human fetal tissue.

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