This document discusses drug abuse and its effects. It defines drugs as substances that alter mental or physical states, and distinguishes between medical and recreational uses. Commonly abused drugs are listed, including marijuana, methamphetamine, and cocaine. The document notes that drug addiction involves psychological and physical dependence, and impacts individuals through aggressive behavior and health issues, families through relationship and financial problems, and society through lost productivity and crime. Treatment involves pharmacological, social, and legal approaches, as well as family support.