Examlex
The effects of caffeine on the brain begin at the level of the__________.
Inhibitions
Psychological restrictions or constraints that prevent a person from expressing thoughts, emotions, or behaviors freely.
Chemically Similar
Describes substances that share similar chemical properties or structures.
Methamphetamine
A powerful, highly addictive stimulant that affects the central nervous system, often used and abused as a recreational drug.
Mescaline
Mescaline is a psychoactive alkaloid that occurs naturally in certain cacti, known for its hallucinogenic effects.
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