Psychoactive Drugs

By: Sam Briskin and Caitlynn Broom

What are psychoactive drugs?

They are chemical substances that alter perception and mood.
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Drugs that excite neural activity and speed up body functions.
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Drugs that reduce neural activity and slow down body functions.
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Depresses neural activity, and temporarily lessens pain and anxiety.
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Psychedelic Drugs

So-called mind-expanding drugs that are able to induce states of altered perception and thought, frequently with heightened awareness of sensory input but with diminished control over what is being experienced.
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Ability or willingness to tolerate something.


Undesirable effects upon stopping use of a drug after addiction.


Craving for a chemical substance despite its adverse consequences.
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Absence of a drug may lead to a feeling of physical dependence and negative emotions.
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Additional Fact #1

About 200 million people worldwide use some type of illicit drug. Typically, males and younger people are more likely to use them.

Additional Fact #2

Studies show that heritability affects the dependence on drugs.

Additional Fact #3

In developed countries, tobacco and alcohol are major causes of death and disability.