The link between diet and autism is a grey area.
Removing gluten, dairy especially casein and soy have been not proved the claim that diet cures or causes autism disorder – the term covering a range of developmental problems including autism, Asperger’s syndrome and atypical autism. Anecdotes from caregivers and clinicians, as well as some studies show certain diets can be of benefit to improving behaviour, focus and digestive health, while others show no benefit at all.