What is heroin?

Heroin is an opioid drug made from morphine, a natural substance taken from the seed pod of the various opium poppy plants grown in Southeast and Southwest Asia, Mexico, and Colombia. Heroin can be a white or brown powder, or a black sticky substance known as black tar heroin. Other common names for heroin include big Hhorsehell dust, and smack.

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Source: National Institute on Drug Abuse; National Institutes of Health; U.S. Department of Health and Human Services.

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