What is xylazine? A medical toxicologist explains how it increases overdose risk, and why Narcan can still save a life

The White House officially designated fentanyl adulterated with xylazine as an emerging threat to the U.S. on Apr. 12, 2023. Earlier, the U.S. Drug Enforcement Administration issued a warning on…

Increases in opioid overdoses in Pennsylvania varied by county during the COVID-19 pandemic

The Research Brief is a short take about interesting academic work. The big idea The COVID-19 pandemic intensified the opioid epidemic, according to our new research, which finds that opioid…