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The rise of heroin use and overdoses has been skyrocketing in the past years and the cause is because of two things: rampant addiction due to overly prescribed opioids and cheaper heroin. (National Geographic)
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Photo © National Geographic Channel
![Heroin Explosion - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/161/717/161717520_c91ed7.jpg)