The MMR vaccine is not associated with autism, researchers said. “We are persuaded that there is no link,” according to Ian Lipkin, M.D., of the Mailman School of Public Health of Columbia University. Although true believers in the theory of a relationship between MMR vaccine and autism will probably not be dissuaded, the study provides more evidence against such a link than any in the past. As part of the research, the investigators replicated the 1988 study that detected a link and found nothing. With colleagues, Dr. Lipkin conducted a case-control study looking at the timing of the onset of autism and gastrointestinal disorders, in relation to the vaccine, used to protect against measles, mumps, and rubella. The study also looked for the presence of measles in the bowel tissue of 25 cases and 13 controls. Neither investigation supported the hypothesis — first suggested in 1998 — that the measles component of the vaccine can lead to inflammation in the bowel and the release of neuroactive chemicals that promote developmental neuropathology, Dr. Lipkin and colleagues said in the online journal PLoS ONE.
Please click on the link below to read the MedPage Today article:
http://www.medpagetoday.com/Neurology/Autism/tb/10772
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