“I answered this but I’ll say it again: Autism is BOTH Genetic and Environmental – just like SMOKING.”
Your response is not sufficient, the percentage of sibling probability of being diagnosed with autism to extremely high to dismiss this as a genetic factor.
Including the study of many identical twins, which have an extremely high probability that if one has autism the twin will also have.
This shows that these children were born with autism.
Yet I do appreciate your efforts of trying to entertain us with these explanations, they just dont hold water.