TY - JOUR T1 - Study: Most adults in opioid treatment programs are middle-aged JF - The Nation's Health JO - Nations Health SP - E56 LP - E56 VL - 45 IS - 10 AU - Natalie McGill Y1 - 2016/01/01 UR - http://www.thenationshealth.org/content/45/10/E56.abstract N2 - A recent study of Americans in opioid treatment programs revealed that adults age 50 to 59 accessed treatment the most in 2012. ER -