Heroin users inject the substance
into their viens. Users commonly reuse or share needles. This
practice can result in increased infections and exposure to
serious diseases such as HIV and AIDS. “Track marks,”
or bruises that follow the vein will result from repeated
injections.
Heroin is an illegal drug that is derived from the opium
poppy. This drug is produced in makeshift laboratories and
then shipped all over the country. Pure heroin is a white
powder, however most heroin sold on the street varies in
color to a dark brown. As many drugs the heroin of today
is much more potent that the heroin of twenty years ago.
Black tar heroin is a popular type of the drug in the United
States. This heroin resembles roofing tar and is usually
mixed with other liquids before being injected.
- Smack 
