The increasing number of people being diagnosed with autism spectrum disorders (ASDs) cannot simply be explained by changes in diagnostic criteria or greater awareness of the condition. In this controversial new book, Richard Lathe contends that the recent rise in cases of ASDs is a result of increased exposure to environmental toxicity combined with genetic predisposition. Autism, Brain, and Environment proposes that autism is a disorder of the limbic brain, which is damaged by toxic heavy metals present in the environment. Lathe argues that most ASD children have additional physiological...