"This study is a major contribution to the literature regarding factors potentially involved in the cause of autism," Christopher McDougle, M.D., a professor of autism at Harvard Medical School, told Psychiatric News. "While we know that genetic contributions exist, it is clear that environmental factors are also important. To date, few environmental factors related to the cause of autism have been identified by rigorous scientific investigation."
Read more about autism risk factors in the American Journal of Psychiatry and in the Textbook of Autism Spectrum Disorders, published by American Psychiatric Publishing.
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