Does the preservative thimerosal cause autism?
(Thimerosal, which contains a form of mercury, used to be in some common childhood vaccines.) No. Several studies have found that the small amounts of mercury that vaccines used to contain have not caused any health problems in infants or young children. Recent studies by the National Institutes of Health showed that the levels of mercury found in the blood of immunized children are similar to the levels in unimmunized children. Does the MMR vaccine cause autism? Please read the article by Dr. Paul Offit of the Children’s Hospital of Philadelphia. It is at www.immunize.org/catg.d/p2065.htm. He reviews two studies by Dr. Wakefield (a British endocrinologist who claims that MMR vaccine causes autism), as well as studies that prove that MMR vaccine does not cause autism. Unfortunately, for the many parents who have children diagnosed with autism, Dr. Wakefield’s claims have redirected attention and resources away from sound, scientific autism research. Does the hepatitis B vaccine cause m