How do CNS depressants
affect the brain and body?
Most CNS depressants acton the brain by affecting the
neurotransmitter gammaaminobutyric
acid (GABA).
Neurotransmitters are brain
chemicals that facilitate
communication between brain
cells. Although the different
classes of CNS depressants work
in unique ways, it is through their
ability to increase GABA—and
thereby inhibit brain activity—that
they produce a drowsy or calming
effect beneficial to those suffering
from anxiety or sleep disorders.
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