Article on environmental factors in autism

I came across this article recently in the Autism Advocate, a journal put out by the Autism Society of America.  It really sums up most of the current knowledge about the role of environment in autism:

http://www.autism-society.org/site/DocServer/eh_get_a_grip.pdf?docID=4821

It's written by Martha Herbert, MD, PhD, an assistant professor of Neurology at Harvard University and Pediatric Neurologist at Massechusetts General Hospital in Boston. She is also a personal hero of mine--an academic who is following where her data is leading her, and who considers health as a 'multi-systems' approach that incorporates external as well as internal influences.  She has greatly influenced my thinking on autism and related conditions.

Here is her personal web page for people who would like to see more of her research:

http://www.marthaherbert.com/index.html

~Dr. Marianne