https://www.ncbi.nlm.nih.gov/m/pubmed/25760553/
RESULTS: At the age of 13 y, ADHD or Asperge was diagnosed in 6/35 (17.1%) children in the placebo and none in the probiotic group.
Pediatr Res. 2015 Jun;77(6):823-8. doi: 10.1038/pr.2015.51. Epub 2015 Mar 11.