While autism spectrum disorder (ASD) is characterized by communication impairments,
social abnormalities, and stereotypic behaviors, several medical comorbidities are observed
in autistic individuals. Of these, gastrointestinal (GI) abnormalities are of particular interest
given their reported prevalence and correlation with the severity of core autism-related
behavioral abnormalities. This review discusses the GI pathologies seen in ASD individuals
and the association of particular GI conditions with known genetic and environmental risk …