1: Heroin can be injected, inhaled by snorting or sniffing, or smoked. All three routes of administration deliver the drug to the brain very rapidly, which contributes to its health risks and to its high risk for addiction, which is a chronic relapsing disease caused by changes in the brain and characterized by uncontrollable drug-seeking no matter the consequences.
The 25 heroin facts in this slideshow are provided by the National Institute on Drug Abuse.
Tap here to read the facts.
Image by Linsdsey Turner, Flickr
John Sciulli/Getty Images for Fight Night
Muhammad Ali, shown here with singer Jennifer Lopez at a March 23, 2013, event in Phoenix, Arizona, was hospitalized with pneumonia Saturday.
Famed boxer Muhammad Ali has "vastly improved" after being hospitalized over the weekend with a mild case of pneumonia, his spokesman Bob Gunnell said.
Sienna Miller in "American Sniper."
Sienna Miller talks about the range of emotions she experienced playing the widow of Chris Kyle in the new biopic "American Sniper."
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