Natalie Pembleton, 13, right, of Yorba Linda, sits in Parque De Los Vaqueros in Placentia with her mother, Catherine, left, on Thursday, August 16, 2018, as she talks about having epilepsy. She takes the drug, Epidiolex, to control her seizures. It is the first FDA-approved drug that contains a purified drug substance derived from marijuana to treat rare, severe forms of epilepsy. (Photo by Mark Rightmire, Orange County Register/SCNG)
