DR. NATASHA CAMPBELL-MCBRIDE MD started the Cambridge Nutrition Clinic after treating her son off the autistic spectrum. Her first book is Gut And Psychology Syndrome. Natural Treatment Of Autism, ADHD, Dyslexia, Dyspraxia, Depression And Schizophrenia. The book gives full details of the GAPS Nutritional Protocol, highly successful in treating patients with learning disabilities and other mental problems.