>> at home in colorado, they searched for marijuana high in cbd, that's the ingredient some scientists think help seizures and low in thc. remember, she didn't want to get her daughter stoned. she found a small amount in the denver dispensary. she was surprised that the owner even wanted it. >> they said it was funny, nobody wants it. nobody wanted it, it didn't have any effect. >> paige paid $800 for a small bag and took it home. >> i had a friend starting a business making medicine. i said, can you help me extract the medicine from this bag of marijuana. i measured it with a syringe and squirted it under her tongue. >> it was exciting and nerve-wracking. >> holding charlotte in her arms, paige waited. an hour ticked by, then another. and then another. >> she didn't have a seizure