"Many opioids are pain relievers, some of which are often prescribed by doctors. Prescribed opioids may be safe when taken for a short time. However, they can be dangerous because, in addition to relieving pain, they can also give the user an enjoyable high. People who use opioids can become dependent and addicted, and they may even overdose or die. In this book, readers will learn about the effects of opioid use and the damage they can cause. Manageable text, full-color photographs, and informative fact boxes help readers understand the dangers of opioid use and how to spot the signs of opioid abuse"--.