MedicalResearch.com Interview with: Lorraine Kelley-Quon, MD, MSHS, FAAP Assistant Professor | Division of Pediatric Surgery Children's Hospital Los Angeles Department of Surgery & Preventive Medicine Keck School of Medicine of USC  MedicalResearch.com: What is the background for this study? What are the main findings?  Response: Prescription opioids are pharmacologically similar to heroin, and previous research has shown an association between nonmedical opioid use and heroin use. This is the first study to follow a group of teenagers through all 4 years of high school and identify an association between nonmedical prescription opioid use and later heroin use. (more…)