Substance use refers to the consumption of various substances, including alcohol, prescription medications, and illegal drugs. People may use these substances for various reasons, such as recreation, socializing, or coping with stress. While some use substances in moderation, others may develop patterns that lead to misuse or addiction. Misuse occurs when substances are used in a way that is harmful or not intended, which can result in negative health effects and social consequences. Understanding the risks associated with substance use is essential for making informed choices and promoting overall well-being.