Illicit substances refer to drugs and chemicals that are illegal to manufacture, sell, or possess. These substances often include, but are not limited to:
1. **Cannabis**: While legal in some jurisdictions, it remains illegal in others.
2. **Cocaine**: A powerful stimulant derived from coca leaves.
3. **Heroin**: An opioid derived from morphine, known for its high potential for addiction.
4. **Methamphetamine**: A highly addictive stimulant that


