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Heroin
- Heroin is in the group of the most highly addictive drugs.
- Heroin enters the brain quickly and affects regions responsible for producing physical dependence.
- Signs of heroin use may include:
- Drowsiness
- Impaired mental functioning
- Nausea
- Constricted pupils
- Signs of heroin overdose include:
- Shallow breathing
- Pinpoint pupils
- Convulsions
- Coma
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