Dr Exley of Keele University has been studying the role of aluminum in autism. > Levels of mercury, lead, and aluminum in the hair of autistic children are hig

Dr Exley of Keele University has been studying the role of aluminum in autism. > Levels of mercury, lead, and aluminum in the hair of autistic children are higher than controls. Environmental exposure to these toxic heavy metals, at key times in development, may play a causal role in autism. "Assessment of Hair Aluminum, Lead, and Mercury in a Sample of Autistic Egyptian Children: Environmental Risk Factors of Heavy Metals in Autism" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4609793/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4609793/