Psychoactive Drugs and Their Effects

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When most people hear the term drugs, dangerous ones such as cocaine, methamphetamine, and heroin often come to mind. The most widely used drugs, however, are readily available at your grocery store or local restaurants. Technically, a psychoactive drug includes any substance that changes one’s perceptions, moods, or consciousness. This definition throws a wide net over many substances, some of which are available legally, while others are available illegally.

Essential Questions

  • What are main categories of psychoactive drugs?
  • How do psychoactive drugs work and what are their effects?