No drug has fueled the current spike in overdose deaths more than fentanyl. The synthetic opioid claimed two thirds of the record 64,000 such fatalities in the U.S. in 2016.
No drug has fueled the current spike in overdose deaths more than fentanyl. The synthetic opioid claimed two thirds of the record 64,000 such fatalities in the U.S. in 2016.