Abuse of painkillers can predispose adolescents to lifelong addiction / EurekAlert, 10 September 2008
http://www.eurekalert.org/pub_releases/2008-09/ru-aop090908.php
"No child aspires to a lifetime of addiction. But their brains might. In new research to appear online in the journal Neuropsychopharmacology this week, Rockefeller University researchers reveal that adolescent brains exposed to the painkiller Oxycontin can sustain lifelong and permanent changes in their reward system – changes that increase the drug's euphoric properties and make such adolescents more vulnerable to the drug's effects later in adulthood."