Disorders are not diseases.
Also, there has been identified genetical component for people with disorders, so the course here is to dismiss any congenital factors that people so far jump on assumption to cause these and it seems that you have the same direction of thinking.
I have read some books about Darwin evolution and to me the new fact was that some fish while are being recognized as the same species are actually acting like different species diverged based on their diet and behaviour - those fishes that had mainly carnivorous behaviour diverged from rest of those that had more plant based food. And they are on a path of becoming species.
Microbiology and other things with chemistry simply would not help with anything here, as the main object of their differences is in the way how their brains are working - why with equally equipped "tools" they behave differently and that eventually lead to their evolution to different species. This is applicable to neurodivergent people - we are diverging into different species, though because we still have sex with each other that affects whole humanity. Nothing to do with environment effects, that you are offering as a cause - I do eat the same products, but I look on world differently, apparently more wiser than average human, but that comes at the cost of making social connections, because essentially as a new species we are aliens among humans, but eventually there will be further adaptions, that will make us better at connections and who knows maybe even better than how humans are able to connect with each other. It is just how human evolution works.
I have read some books about Darwin evolution and to me the new fact was that some fish while are being recognized as the same species are actually acting like different species diverged based on their diet and behaviour - those fishes that had mainly carnivorous behaviour diverged from rest of those that had more plant based food. And they are on a path of becoming species. Microbiology and other things with chemistry simply would not help with anything here, as the main object of their differences is in the way how their brains are working - why with equally equipped "tools" they behave differently and that eventually lead to their evolution to different species. This is applicable to neurodivergent people - we are diverging into different species, though because we still have sex with each other that affects whole humanity. Nothing to do with environment effects, that you are offering as a cause - I do eat the same products, but I look on world differently, apparently more wiser than average human, but that comes at the cost of making social connections, because essentially as a new species we are aliens among humans, but eventually there will be further adaptions, that will make us better at connections and who knows maybe even better than how humans are able to connect with each other. It is just how human evolution works.