+A controlled substance is a drug or chemical whose manufacture, possession, or use is regulated by law due to its potential for [Abuse](/wiki/abuse) or [Dependence](/wiki/dependence). Such substances are typically categorized based on their accepted medical use and risk profile, with strict governmental oversight varying by jurisdiction.
+## See also
+- [Drug Enforcement](/wiki/drug_enforcement)
+- [Narcotics](/wiki/narcotics)
+- [Pharmacology](/wiki/pharmacology)
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