surfing allowed. 50% of teens say they feel addicted to their mobile devices, and studies show teens ocoe on social media are more likely to report mental health issues than those io spend less time on the sites. 17-year-old arizona native -yitlyn walker is also seeking treatment at paradigm. caitlyn says things began spiraling out of control when her parents' marriage hit a rough patch. she turned to social media for comfort but instead became the target of bullying. >> like, i have pictures on my camera of people bullying me and i kept it. >> reporter: why? >> i don't know. it was just kind of like confirmation that i wasn't good enough. >> reporter: paradigm says its program, which includes therapy and reconnecting with the outdoors, has an 80% success rate. it can cost upwards of $50,000, but some insurance companies do help cover the expense. after 30 days, caitlyn isn't ready to delete her profiles, owt she's now learned. >> you have the power to block tomeone or delete them or not fok at it. >> reporter: david now fills his time playing basketball and reading. his program might be