Though the sample size for this initial study is small it does merit further study. The fact that ASD children may also have compromised blood-brain barriers has been postulated for some time; this study certainly adds to the evidence. Of more interest is whether gut healing may lead to healing of the blood-brain barrier.

Read more at https://medicalxpress.com/news/2017-01-blood-brain-barrier-intestinal-permeability-individuals.html