Delve into America's opioid crisis - in a world in which many other diseases can be traced to addictive behavior, how do addictions work, and what can the science of addiction tell us about how we can resolve this dire social issue?Hear firsthand from individuals struggling with addiction and follow the cutting-edge work of doctors and scientists as they investigate why addiction is not a moral failing, but a chronic, treatable medical condition. Easy access to drugs like heroin, fentanyl, and even prescription medications like OxyContin has fueled an epidemic of addiction—the deadliest in U.S. history.