Are rubber and other synthetic compounds toxic? Very possibly.
But it seems that your "hypothesis" is aimed at the idea that this toxicity is somehow responsible for autism. Now, by your own statement, a large number of people were bottle fed as infants and many more were given a pacifier; so most of the population was exposed to these toxic chemicals during infancy. In that case, if those toxins cause autism, why aren't there more of us? Many more of us...
I'm sorry, but your hypothesis just doesn't seem to fit the observed facts.
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AQ Test = 44 Aspie Quiz = 169 Aspie 33 NT EQ / SQ-R = Extreme Systematising
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Not all those who wander are lost.
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In the country of the blind, the one eyed man - would be diagnosed with a psychological disorder