at, you can see that even low levels of thc after five days can start to register. >> it's another cautionary cbd tale and yet another reason to be an educated consumer. read the labels. look for a certificate of analysis. and remember if it sounds too good to be true, it probably is. >> they make crazy flames, that's a red flag. >> oh, walk away. >> walking away from cbd? it's something the wilsons did. remember vivian and her family moved across the country and changed their lives for cbd like so many people. >> thank you. >> thank you. >> we came out here for cbd and you want to believe that it's going to be the cure. >> and when it was clear it wasn't a cure for vivian, they did something still considered taboo. they started giving her thc. >> we would see people who would be like i don't want thc, that's bad. >> but we kept her on thc, and she just blossomed.