Scientists always knew it was devilishly complex.
Autism, is found in one of about every 150 people around the world, according to a recent Centers for Disease Control study. That figure has been disputed, but clearly autisim has many degrees and types, and piles of evidence hinting that genes -- not one but many genes -- are to blame.
But how to find them? It's like trying to find a few dozen innocent looking criminals in a crowd of millions.
Now, scientists have probable cause...Full Story