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  2. Licit drugs are substances that are regulated and legal. In some cases, licit drugs are simply totally unregulated by government agencies. Sometimes licit drugs occupy a legal gray area. For instance, marijuana is legalized on the state level in many jurisdictions.

  3. UNODC - Illicit Drugs - Drug Definitions. Terminology and Information on Drugs. The Terminology and Information on Drugs publication introduces basic concepts and materials on substances under international control, which are most frequently manufactured or processed and/or abused, as well as definitions of scientific terms used in this context.

  4. Mar 14, 2016 · The next most widely used illicit drugs are stimulants such as cocaine; methamphetamine; drugs with stimulant and hallucinogenic properties, such as MDMA (3,4-methylenedioxy-N-methylamphetamine), or ecstasy; and novel psychoactive substances, 2 with an estimated 34 million users worldwide (14 million to 53 million), including 17 million cocaine ...

    • Louisa Degenhardt, Emily Stockings, John Strang, John Marsden, Wayne D Hall
    • 10.1596/978-1-4648-0426-7_ch6
    • 2016
    • 2016/03/14
    • Overview
    • Monitoring the Future (MTF) Study
    • National Survey on Drug Use and Health (NSDUH)

    Refers to the use and misuse of illegal and controlled drugs. (Also see Sources and Definitions, Substance use.)

    In this school-based survey of secondary school students, information on illicit drug use is collected using self-completed questionnaires. The information is based on the following questions: “On how many occasions (if any) have you used marijuana in the last 30 days?” Similar questions are asked about lifetime and past-year use of marijuana and a...

    Information on illicit drug use is collected for survey participants aged 12 years and over. 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. Prescription psychotherapeutics include pain relie...

  5. 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.

    • Hannah Ritchie, Max Roser
    • 2018
  6. Mar 5, 2024 · Illicit drugs refer to highly addictive and illegal substances such as Heroin, Marijuana, and Meth. While the decision to use one of these drugs for the first time is usually a voluntary one, an unexpected addiction can make the decision to quit later significantly harder.

  7. Mar 14, 2023 · Illicit Drug Use, Illicit Drug Use Disorders, and Drug Overdose Deaths in Metropolitan and Nonmetropolitan Areas — United States. Surveillance Summaries / October 20, 2017 / 66 (19);1–12. Please note: An erratum has been published for this report. To view the erratum, please click here.

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