Rod Dreher, in his Beliefnet blog “Crunchy Con,” has spoken of having a daughter with an Autism Spectrum Disorder. He has wrote 4 posts on autism in 2010, mostly in regard to recent research concerning Autism and Aspergers. Here they are:
http://blog.beliefnet.com/roddreher/2010/05/is-the-autism-diet-really-ineffective.html – He does not have or give a definitive answer here but discusses the matter from the perspective of a parent wanting to do their best for his child.
http://blog.beliefnet.com/roddreher/2010/02/temple-grandin-were-failing-our-geeks.html Temple Grandin is a professor who is herself Autistic, and she indicts our education system for, among other things, eliminating shop and art classes.