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Standing sound waves: In a resonating pipe that is open at one end and closed at the other end, there
Depressant
A substance that slows down the nervous system and can lead to decreased alertness, often used to treat insomnia, anxiety, or other mental health conditions.
Stimulant
Substances that increase alertness, attention, and energy by accelerating the activity of the central nervous system.
DSM-5
The fifth edition of the American Psychiatric Association's classification and diagnostic tool for mental health professionals.
Substance Use
The consumption of drugs or alcohol, not necessarily implying abuse, but focusing on the act of using these substances.
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