This accessible, easy-to-read book provides readers with different perspectives on the subject of painkillers, examining their history, production, uses, and dangers. Many different drugs are effectively used as painkillers—substances that greatly improve the quality of life for those who suffer from temporary or recurring pain. This book presents an in-depth overview of opiates, opioids, and other painkilling substances such as non-steroidal anti-inflammatory drugs (NSAIDs) that have been in use from ancient times up to the contemporary era. It also addresses the risks of painkiller use, their misuse, and potential overdose concerns. The latest in the Story of a Drug series and written by a subject expert who has published widely on drug use and pharmacology, this book presents a brief review of the science of how different painkiller drugs work before covering these substances' respective effects and applications; the issues regarding the production, distribution, and regulation of painkiller drugs; and research findings on painkiller use, abuse patterns, addiction, and policy issues. The easy-to-understand text presents scientifically accurate information that enables readers to better understand the key role of painkillers in our 21st-century world.