I know I've read about a link between the gut and spectrum disorders, I just can't remember where... I'll go searching.

It's interesting what the information above says about heavy metals. I've recently had a hair analysis done and found out I'm overloaded with heavy metals. The guy who's treating me mentioned a link between heavy metals and my ADD and that treatment can reduce ASD behavious. He also said in my case with really high levels of copper, it's got something to do with developing food intolerances/gut problems. We were on the phone, so I didn't get the details. I'll ask more when I see him.

I know my mum's always said there's a link between constipation and brain function. Something to do with staying hydrated.