@ 7:40 he talks about Charlotte going from having 400 seizures per week to 0-1 per week using a special pediatric grade MEDICAL MARIJUANA. And she was no longer using Pharmaceuticals at that point.
Original Source:
http://www.upworthy.com/think-marijuana-is-for-stoners-meet-a-6-year-old-girl-who-might-just-disagree-with-you-on-that?c=reccon1