Drug use and abuse is a serious problem for teenagers and adults alike. In this guide, readers will learn how to deal with addiction, how to avoid peer pressure to use, and how to get help and make healthy choices. From alcohol and nicotine to marijuana and heroin, each drug has dangerous short- and long-term effects on the body, some of which can be life-threatening and lead to lethal overdose. Even painkillers prescribed by a doctor can become addictive...