Ramana Naidu, MD, argues that Opioid abuse is not a pandemic but rather an American epidemic. Americans constitute 4.6% of the world's population and consume 80% of the world's opioids. There are five times more Americans with opioid substance use disorder than addicted to heroin. Series: "UCSF Osher Center for Integrative Medicine presents Mini Medical School for the Public" [Public Affairs] [Health and Medicine] [Show ID: 32035]