http://www.sciencedaily.com/upi/index.php?feed=Science&article=UPI-1-20070503-13060400-bc-ageofautism.xml Interesting but speculative article. Lots of interesting links on the page. I was interested in the article on the side-bar linking gluten to migraine. I found that out by accident when I started paleo, and this is the first I have seen it documented.