For General Information, page-2660

Yes, although not common, some teachers can be inspiring and stimulating
Autism is interesting, there is more and more conjecture around the brain-stomach link, and the bacteria in the stomach when born and in development.
It is suggested there is communication between the two, bi-directional.
The way humans give birth now is being looked at regarding bacterial exposure that is removed via caesarian, and then the lack of exposure to various aspects by the absence of breastfeeding, and then that in conjunction with the modern infant diet.
Bacteria and a good immune system go hand in hand, and bacteria are being diminished via non-natural child delivery and again by non-natural nutritional delivery. Our biome is being affected at birth, let alone as we age.
We are not behaving as Nature intended us, and it's potentially affecting numerous aspects of our health and one of them is suggested to be Autism.
More research in this area will be enlightening and beneficial.