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Byline: Dorsey Griffith
Mar. 21--In a study sure to fuel the controversy about the role of childhood vaccines in autism, scientists at UC Davis have found that a preservative used in some vaccines can disrupt the immune system, at least in mice.
Study authors caution the findings do not specifically link use of thimerosal, which contains mercury, to autism and other neurodevelopmental disorders.
"This is not a smoking gun," said Isaac Pessah, the University of California, Davis, toxicologist who led the study for the university's MIND Institute and the National Institute of Environmental Health Sciences. "This provides a framework, but not the answer."
Pessah's study is part of a large, federally funded research effort exploring the role of environmental toxicants in autism and other disorders. It will be published this morning in the online edition of Environmental Health Perspectives, a peer-reviewed publication of the NIEHS.
"This is important because it does add to our knowledge of the potential effects…