Stimulants and depressants are two distinct categories of psychoactive substances that profoundly impact the central nervous system (CNS). While both types of drugs alter brain function and behavior, they do so in markedly different ways. Stimulants accelerate neural activity, increasing alertness and energy, while depressants slow down CNS functions, promoting relaxation and sedation.
The human nervous system is a complex network of neurons that transmit signals throughout the body. The CNS, comprising the brain and spinal cord, acts
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