Illicit drugs are substances that are illegal to manufacture, sell, or use. These drugs can include a variety of substances, such as cocaine, heroin, and methamphetamine. They are often associated with serious health risks, addiction, and legal consequences. The production and distribution of these drugs are typically controlled by criminal organizations. The use of illicit drugs can lead to various negative effects on individuals and society. Users may experience physical and mental health issues, including overdose and mental health disorders. Additionally, the illegal drug trade can contribute to crime, violence, and economic instability in communities.