Other drug use is not as widespread yet still concerning, with past month use among 12th graders of amphetamines and misused narcotic pain pills at 3% and 4%, respectively (Johnston et al. 2009). Approximately 8% of those ages 12–17 meet criteria for substance abuse or dependence in the past year, but this peaks between ages 18–25, when 21% meet diagnostic criteria for a substance use disorder (SAMSHA 2009).
