Abnormal behavior, often referred to as deviance, is defined as actions or thoughts that significantly differ from societal norms and expectations. This can include behaviors that are considered unusual, inappropriate, or harmful. The perception of what constitutes deviance can vary widely across different cultures and contexts, making it a complex topic in psychology and sociology. Understanding abnormal behavior is essential for identifying mental health issues and providing appropriate support. Mental health professionals often assess these behaviors to determine if they indicate underlying psychological conditions, such as depression or anxiety disorders. Recognizing deviance helps in developing effective treatment plans and promoting social acceptance.