Psychoactive Drugs

By: Gavin Stroup

Psychoactive Drugs

A chemical substance that acts primarily upon the central nervous system, where is alters brain functions.
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Stimulants

a substance that raises levels of physiological or the nervous activity in the body.
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Depressants

A drug that slows the activity of the nervous system.
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Opiates

A drug with morphine like effects, derived from Opium.
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Psychedelic Drugs

Hallucinogens, or mind-expanding drugs. Able to induce states of altered perception and thought.
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Tolerance

Being unaffected by certain dosages or the ability or willingness to tolerate something.
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Withdrawal

The discontinuance of administration or use of a drug.
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Addiction

The compulsive need for and use of a habit-forming substance.
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Dependence

relying or being dependent on drugs.
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