The health department reported additional test results late Friday on drug packets related to last weekend’s overdose spike, concluding, “The Department of Public Health now believes that 5F-ADB was the primary cause of the cluster of patients with these adverse drug reactions.”
https://whyy.org/articles/synthetic-marijuana-detected-in-drug-sample-from-philly-overdose-spike/
By Joel Wolfram
The Collected Works of Jim Garrow 