Narcotics
Narcotics are sometimes classified under depressants because they slow down the central nervous system, but they are often still considered as their own category. They are highly effective at relieving pain and are a common substance in prescription medicines for severe pain. By definition, all narcotics are derived from opium, either in its natural form or in a synthesized form. Examples of narcotics include codeine, heroin, methadone, and morphine. In addition to relieving pain, narcotics may induce drowsiness, euphoria, and relaxation. Although narcotics do not damage bodily organs, they are very physically addictive, and high doses can be fatal.
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