Heroin is a deadly drug which is derrived form a natural source. It is white in its purest form and various shades from white to brown in less purer forms. Black tar Heroin is dark brown or black and has a tar-like stickiness. It is a highly addictive drug processed from Opium. It is a depressant and slows down the central nervous system. Its street names are smack, brown sugar, dope, black tar, etc. People consume it by sniffing, smoking and injecting. It seriously affects health resulting in convulsions, poor immunity, clammy skin, behavioral changes.
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