The document discusses drugs and substance abuse, including causes and consequences. It defines drugs and classifies them as legal or illegal. Commonly abused substances are identified as marijuana, cocaine, heroin, alcohol, and prescription drugs. Drug use, misuse, and abuse are defined. Signs of drug abuse include physical symptoms like reddened eyes and behavioral changes like declining school performance. Common myths about drugs are addressed, such as the misconceptions that drugs make people cool or help forget problems, when in reality drugs can negatively impact health, relationships and functioning.