This article is more than five years old.
Neuroscience—and science in general—is constantly evolving, so older articles may contain information or theories that have been reevaluated since their original publication date.
Autistic children are up to four times as likely as their non-autistic peers to have digestive problems, and several small studies show they may also have atypical microbial communities living in their guts.
Autistic children are up to four times as likely as their non-autistic peers to have digestive problems, and several small studies show they may also have atypical microbial communities living in their guts. But whether those flora contribute to their autism traits remains unclear.