- Gut Microbiota Differences Seen in People With Autism May Be Due to Dietary Preferences. A new study suggests the differences in the gut microbiome associated with autism may be a result of restricted dietary preferences, which are a common feature of ASD, rather than a cause of autism symptoms. https://www.cell.com/cell/fulltext/S0092-8674(21)01231-9?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0092867421012319%3Fshowall%3Dtrue 27 comments science