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Information on any illicit drug use includes any use of marijuana or hashish, cocaine, crack, heroin, hallucinogens, inhalants, or methamphetamine, as well as misuse of prescription psychotherapeutic drugs.
Illicit drugs are drugs that have been prohibited under international drug control treaties.1. International statistics typically focus on four different groups of illicit drugs: opioids, cocaine, cannabis, and amphetamines.
The International Classification of Diseases (ICD) defines harmful use if there is evidence that substance use is causing physical or psychological harm; it defines drug dependence if three or more indicators of dependence are present for at least one month within the past year (WHO 1993).
Drug addiction, also called substance use disorder, is a disease that affects a person's brain and behavior and leads to an inability to control the use of a legal or illegal drug or medicine. Substances such as alcohol, marijuana and nicotine also are considered drugs.
Understanding differences in illicit drug use, illicit drug use disorders, and overall drug overdose deaths in metropolitan and nonmetropolitan areas is important for informing public health programs, interventions, and policies.
For illicit drug use, respondents in NSDUH are asked about use of marijuana or hashish, cocaine (including crack), inhalants, hallucinogens, heroin, and misuse of prescription-type psychotherapeutic drugs (pain relievers, tranquilizers, stimulants, and sedatives).
In this regard, the publication seeks to collate basic concepts and information on drugs of abuse, their corresponding abuse patterns, pharmacological effects and potential medical use, and act as an accessible and user-friendly resource.
Substance abuse is typically defined as a pattern of harmful use of any substance for mood-altering purposes. Substances can include alcohol, prescription and over-the-counter drugs, illegal drugs, inhalants and solvents, nicotine, and even coffee.
Illicit drug use refers to the consumption of illegal substances or the misuse of legal drugs for non-medical purposes. This behavior is often associated with a range of negative outcomes, including health problems, addiction, and increased risk of engaging in violent or criminal activities.
Illicit drugs are those whose nonmedical use is prohibited by international law, namely: amfetamine-type stimulants (ATS), one of a class of sympathomimetic amines with powerful stimulant action on the central nervous system (CNS); cannabis, a generic term for psychoactive preparations (e.g., marijuana, hashish, and hash oil) derived from the ...