This document discusses the concept of deviance in sociology. It defines deviance as behavior that violates social norms and is disapproved of by most people in society. There are different types of deviance, including primary deviance which is tolerated, and secondary deviance which stigmatizes individuals. Sociologists view deviance as relative and dependent on social and cultural definitions. Biological, psychological, and sociological theories attempt to explain reasons for deviance. Drug abuse and addiction are provided as examples of deviant behavior, and social control techniques for regulating behavior in society are also outlined.