The document discusses drugs and their effects. It defines drugs as substances that prevent or cure diseases, or enhance well-being. It discusses legal drugs prescribed by doctors and illegal psychoactive substances. It describes common signs of drug use and the effects of drug abuse on individuals, families, communities and society, including health issues, crime, and social deterioration. It also discusses myths and misconceptions about drugs, risk factors for drug abuse, and commonly abused substances like alcohol, nicotine, marijuana, cocaine, ecstasy, and benzodiazepines.