INDIANAPOLIS, Indiana - When Logan Snyder got hooked on pills after a prescription to treat pain from a kidney stone, she joined the millions already swept up in the nation's grim wave of addiction to opioid painkillers.

She was just 14.

Youth is a drawback when it comes to kicking drugs. Only half of US treatment centers accept teenagers and even fewer offer teen-focused groups or programs. After treatment, adolescents find little structured support. They're outnumbered by adults at self-help meetings. Sober youth drop-in centers are rare. Returning to school means resisting offers to get high with old friends.