UNIT 2 Psychoactive Drug
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| Psychoactive Drug | a chemical substance that alters perceptions and moods.
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| Substance Use Disorder | a disorder characterized by continued substance craving and use despite significant life disruption and/or physical risk.
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| Tolerance | the diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the drug's effect.
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| Withdrawal | the discomfort and distress that follow discontinuing an addictive drug or behavior.
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| Depressants | drugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow body functions.
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| Alcohol Use Disorder | (popularly known as alcoholism) alcohol use marked by tolerance, withdrawal, and a drive to continue problematic use.
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| Barbiturates | drugs that depress central nervous system activity, reducing anxiety but impairing memory and judgment
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| Opiates | opium and its derivatives, such as morphine and heroin; depress neural activity, temporarily lessening pain and anxiety.
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| Stimulants | drugs (such as caffeine, nicotine, and the more powerful cocaine, amphetamines, methamphetamine, and Ecstasy) that excite neural activity and speed up body functions.
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| Nicotine | a stimulating and highly addictive psychoactive drug in tobacco.
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| Cocaine | a powerful and addictive stimulant derived from the coca plant; produces temporarily increased alertness and euphoria.
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| Amphetamines | drugs, such as methamphetamine, that stimulate neural activity, causing accelerated body functions and associated energy and mood changes.
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| Methamphetamine | a powerfully addictive drug that stimulates the central nervous system, with accelerated body functions and associated energy and mood changes; over time, appears to reduce baseline dopamine levels.
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| Ecstasy (MDMA) | a synthetic stimulant and mild hallucinogen. Produces euphoria and social intimacy, but with short-term health risks and longer-term harm to serotonin-producing neurons and to mood and cognition.
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| Hallucinogens | psychedelic ("mind-manifesting") drugs, such as LSD, that distort perceptions and evoke sensory images in the absence of sensory input.
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| Near-Death Experience | an altered state of consciousness reported after a close brush with death (such as cardiac arrest); often similar to drug-induced hallucinations.
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| LSD | a powerful hallucinogenic drug; also known as acid (lysergic acid diethylamide).
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| THC | the major active ingredient in marijuana; triggers a variety of effects, including mild hallucinations.
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Or sort by any of the columns using the down arrow next to any column heading.
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