charlotte figi had an extreme form of epilepsy.er body was so frail that any seizure could kill her. with no traditional treatment to try and the clock ticking away, her parent decided to try marijuana. charlotte was just five years old. >> you need a card in order to get the cannabis from a pharmacy. doctors prescribe it. >> you need two doctors in colorado to get the card for juvenile or child. it was hard. we were the first young child and they said no. everyone said no, no, no. >> certainly her age played a role. >> dr. alan shackleford is a doctor. he knives prescription for medical marijuana for children. when charlotte came into his office, he knew she was this trouble. while seeing her, she had pro seizures. she failed everything. there were no more options. everything had been tried. except cannabis. >> here is how scientist think it might work. >> marijuana is made up of thc, the part that makes you high, and cbd, also called cannabidiol. the cbd scientists think the electro and mechanical activity that quiet the activity

all the reason the figis stayed away from marijuana, until this. and this may be hard for you to watch. >> okay, baby. >> this is their daughter, charlotte. having a seizure. >> we just thought it was one random seizure. >> nothing to do, no medications, a fluke. >> right. >> a fluke made sense. after all, charlotte, nicknamed charlie, born healthy, fraternal twin to sister chase. >> charlie always had big smiles. >> easy. >> easy. very much so. >> so around three months when you first noticed that charlie had a seizure. >> i was changing a diaper -- well, putting a new diaper off from after a bath ear her eyes started flickering. >> it led to a trip to the e.r. >> this did the whole workup, spinal tap, whole workup, found nothing and sent us home. >> no abnormal scan. >> and normal development. walking and talking, same day as her twin. nothing was behind yet. >> by the time she was two, though, the seizures became constant and started to take their toll on their once happy, joyful little girl. >> she started to really decline. cognitively. she wa