The decline in opioid deaths masks danger from designer drug overdoses in USThe growing popularity of cocaine cut with fentanyl — known on the street as a speedball — or combinations of methamphetamine and fentanyl — known as a goofball — are driving a growing number of new overdose deaths.[Collection]

The growing popularity of cocaine cut with fentanyl — known on the street as a speedball — or combinations of methamphetamine and fentanyl — known as a goofball — are driving a growing number of new overdose deaths.https://www.cnbc.com/2019/08/21/decline-in-opioid-deaths-masks-new-danger-from-designer-drug-overdoses.html