The children presented typical signs of intoxication by Δ9-THC (inappropriate laughter, ataxia, reduced attention, and eye redness) after using a CBD-enriched extract. The extract was replaced by the same dose of purified CBD with no Δ9-THC in both cases, which led to improvement in intoxication signs and seizure remission.
Links
[1] http://journal.frontiersin.org/article/10.3389/fphar.2016.00359/full
[2] http://rethinkpot.org/tags/charlottes-web
[3] http://rethinkpot.org/tags/study
[4] http://rethinkpot.org/tags/cbd