[dukeofdoom]

I'm not sure why you would think that. There's all kinds of substances that humans take (Alcohol, drugs) that change their mental state. Why is the idea that environmental pollutant could be doing the same, so rejected by people. Is it an ego thing ?

[bamboozled]

I think people take offence to the suggestion that there might be more autism.

[vixen99]

Yes and it tells us zilch about the reality of the situation.

[bamboozled]

It tells us we do hear a lot more about autism then we used too. It’s a talking point.