Our expert says:
I know of no good evidence that manipulating the diet is distinctly helpful in such situations, however there's also no evidence that it is harmful, unless one relies on it INSTEAD of more orthodox and established treatments.
It sounds to me as though the first priority is to arange for him to see a good local child psychiatrist for assessment and diagnosis, as its foolish for anyone to opine about treatment withou a reliable and expert diagnosis ( its like deciding on a dish to cook for supper without knowing what ingredients are available ).
YOu don't mention what variety of "experts" the school draws on, but I wonder, if they so emphasize unproven nutritional factors, whether they are recognized and registered specialists in mental health and pediatrics, rather than adgerents of more fringe concerns.
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