This page is dedicated to all things dealing with the Autism Spectrum Disorders.
Here is a link to an article I found interesting. A study of 192 twins has found that while heredity is still a major factor that there may be new evidence suggesting enviornmental factors, specifically the mother's womb. Read this article here http://www.newparent.com/blogs/new-parent-report/autism-triggered-environmental-facors-study/