That's a hard thing. They see us on meds and think natural herb is better... I've had a hard time with my teen kids. I've found no effect arguing with them about their pot use. When I was young I felt it helped me but my life was a mess anyway. Anytime p's tried to force me to not do something or not hang out with the certain people, I would still do what I wanted anyway. I had to learn for myself and I don't love pot anymore, never thought that would happen back then, but it seems to increase anxiety now. My advice is get her with a counselor who will work with her on all the issues and preserve your relationship and bond with her.