This is an exceptionally well researched and written post. For those for whom it is too late and your child has been vaccinated, it is not too late. There are diets that help remove from your body the heavy metals which cause brain damage and so on. I think it is called Chelation. Please check it out. Since the diet is natural greens we normally eat, it can't hurt to try.
The important thing is that you never give up and keep trying to restore them. I saw a mother write of her son who has autism and after years of this, she put him on such a diet and how she wept when a few days later he told her, for the first time, that he loves her.
Great advice @arthur.grafo
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