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New data released Tuesday by the U.S. Centers for Disease Control and Prevention (CDC) show that heroin use increased 63% between 2002 and 2013, and heroin-related overdose deaths have nearly quadrupled over the same time period. In 2013 an estimated 517,000 people reported that they had used heroin in the last year or had a heroin-related dependence, a 150% increase from 2007. More than 8,200 people died of heroin-related overdose in 2013, according to national surveys published in the CDC’s Morbidity and Mortality Weekly Report.