Drug use refers to the consumption of substances that alter physical or mental states. These substances can be legal, like alcohol and prescription medications, or illegal, such as cocaine and heroin. People may use drugs for various reasons, including recreation, pain relief, or to cope with stress. The effects of drug use can vary widely, impacting health, behavior, and social interactions. While some drugs may provide temporary relief or pleasure, they can also lead to addiction and other negative consequences. Understanding the risks associated with drug use is essential for making informed choices.