According to the Centers for Disease Control and Prevention, there were 47,600 overdose deaths related to opioids in 2017—more than a 90 percent jump since 2013. This increase was largely due to the soaring use of fentanyl, a powerful synthetic opioid that is about fifty times more potent than heroin. The Risks of Fentanyl and Other Opioids presents a realistic picture of the effects of drug use and abuse, addiction, and the challenges of treatment and recovery.