+Illicit drugs are substances whose production, sale, or possession is forbidden by law. They are often regulated due to their potential for harm, leading to significant challenges in [Public Health](/wiki/public_health) and contributing to [Crime](/wiki/crime) globally.
+## See also
+- [Drug Trafficking](/wiki/drug_trafficking)
+- [Addiction](/wiki/addiction)
+- [Drug Policy](/wiki/drug_policy)
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