Psychoactive drug - Wikipedia Psychoactive drugs operate by temporarily affecting a person's neurochemistry, which in turn causes changes in a person's mood, cognition, perception and behavior
Drugs (psychoactive) - World Health Organization (WHO) Psychoactive drugs are substances that, when taken in or administered into one's system, affect mental processes, e g perception, consciousness, cognition or mood and emotions
4 Main Groups of Psychoactive Drugs How Addictive They Are Common examples of psychoactive drugs include alcohol, caffeine, nicotine, opioids, cannabis, and prescription medications like benzodiazepines or stimulants The effects can range from mild relaxation to intense euphoria or hallucination, depending on the drug and how it’s used
Understanding Psychoactive Drugs: Effects, Types, and Risks Psychoactive drugs are substances that affect the brain and alter mood, perception, or behavior They can be natural or synthetic and include drugs like caffeine, alcohol, marijuana, and prescription medications
Definition of psychoactive substance - NCI Dictionary of Cancer Terms A drug or other substance that affects how the brain works and causes changes in mood, awareness, thoughts, feelings, or behavior Examples of psychoactive substances include alcohol, caffeine, nicotine, marijuana, and certain pain medicines