Here's What Happens During a Fentanyl Overdose

Here's What Happens During a Fentanyl OverdoseDeaths due to opioid overdoses have risen sharply in the past few years, partly due to a particularly potent drug called fentanyl. In Massachusetts, for example, from 2013 to 2014, 32 percent of opioid overdose deaths involved fentanyl.



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