Interesting idea. Ideas and theories should be ruled out by research or known facts before people dismiss them, or our own paradigms will prevent us from learning. I've been learning a little about autism lately, and one factor seems to be improved and/or increased diagnosis. Kids who were considered just insane are now being diagnosed with autism. I'm not calling the kids insane, just saying we understand how to communicate with autistic people better. I would imagine that radiation level increases would be noticed, as it isn't that difficult to be measured. One source of radiation around the same time is microwaves in every household. I know we had microwaves slightly earlier, but it did become household, as well as cell phones.There does seem to be some genetic link or increased risk. Larry, come on... the brain activity develops differently in autistic children from a very young age. Where are you getting hispanic country from?