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Novel Psychoactive Substances

NDEWS Weekly Briefing Issue 255: October 31, 2025

This Week’s Focus: Overdoses Across the United States This week’s briefing focuses on overdoses across the United States. Data-driven insight from our latest NDEWS Special Report looks at EMS encounters for nonfatal overdoses at the county level across the US and breaks down the trends of the top-10 counties.

NDEWS Weekly Briefings

Subscribe here to receive the Weekly Briefing in your email. Every week, NDEWS will send out a Weekly Briefing newsletter with curated information on recent and relevant news, articles, and data related to drug trends in the United States and globally. While this communication method is primarily unidirectional…

Rapid Street Reporting

Rapid Street Reporting (RSR) is a national venue-intercept study focused on the NDEWS Sentinel Sites. RSR will take place monthly over a weekend period. This initiative uses a modified version of Dr. Joseph Palamar’s validated rapid survey, which has been previously used to survey over 4,500 nightclub attendees. The…

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The NIDA-funded NDEWS Coordinating Center at UF The National Drug Early Warning System (NDEWS), funded to the University of Florida by the National Institute on Drug Abuse (NIDA), provides the field with timely, salient, and valuable information on emerging…

NDEWS is funded by the National Institute on Drug Abuse to the University of Florida (MPI: Cottler (contact), Co-Is: Goldberger, Nixon, Striley), NYU Langone Health (MPI: Palamar), and Florida Atlantic University (Co-I: Barenholtz).