Last week, I highlighted new evidence about the link between gluten and the symptoms of autistic spectrum disorder (ASD). Hot off the presses, we have another study about a gut-autism link. Researchers at Arizona State University (1) found a significant difference between the normal flora (bacteria in the gastrointestinal tract) of children with autism and non-autistic children.
Rates of autism have been on the rise in the US over the last few decades. The exact cause of this is unknown; part of the reason may be due to an increased degree of awareness and diagnosis. This uncertainty is reflected in a major change to the fifth edition of the American Psychiatric Association’s Diagnostic and Statistical Manual (DSM-5): the terms autistic disorder,