Glossary D

Drug abuse refers to any use of drugs that causes physical, psychological, legal, or social harm to the individual user or to others affected by the drug user’s behavior. It means also, using a drug to the extent that individuals have difficulty meeting social and occupational obligations.

Drug addicts is defined as people who are physically dependent on substances and who suffer from withdrawal when not taking the substances

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Drug and alcohol abuse can mess with your mind for a long time. These substances change how your brain works, leading to lasting mental health issues. The numbers show just how big this problem is. About 20% of Americans used illegal drugs last year, according to the National Institute on Drug Abuse. The Substance Abuse and Mental Health Services Administration says 14.5 million people in the US have an alcohol use disorder. These facts highlight how common substance abuse is and its potential to cause long-term mental health problems.

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- Drug discrimination study : Drug discrimination study refers to a research procedure that primarily concerns the differentiation of drug effects

Drug dosage is defined as the measure of the quantity of drug consumed

Drug effects is defined as the action of a drug on the body. Drug effects are measured in different ways

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The Drug Enforcement Administration (DEA) refers to a federal law enforcement agency which investigates drug offenses.

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Drug expectancy is defined as a person’s anticipation of or belief about what he or she will experience upon taking a drug