A new study finds there are no significant differences between young adults who misuse prescription opioids and those who inject heroin, except for the amount of time they have used drugs. The study of young adults in rural upstate New York found on average, it took four to five years between the time a young person started using prescription opioids and the time they started to inject drugs. “Unless they receive treatment, in another year or two it’s likely those who are misusing prescription opioids are on a trajectory to start injecting,” said lead researcher Holly Hagan PhD, MPH, RN, Professor at the NYU Rory Meyers College of Nursing and co-director of the Center for Drug Use and HIV/HCV Research. “We have to figure out how to intervene now to help these young people with their substance use problem.” Most of the young adults in the study who were in treatment...