All Posts by

Herbert Brooks

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 Briefing Issue 254: October 24, 2025

This Week’s Focus: Xylazine This week’s briefing focuses on xylazine, a veterinary tranquilizer that has been found in the illicit opioid supply. Xylazine is a central nervous system depressant that can cause painful and difficult-to-treat skin and muscle sores, which can lead to infection, necrosis, and even amputation of affected…

NDEWS Weekly Briefing Issue 253: October 17, 2025

This Week’s Focus: NDEWS Early Warning in Action — Insights from the NDEWS Early Warning Network including Sentinel Sites Report and Rapid Street Reporting data This week, the NDEWS Weekly Briefing focuses on our Sentinel Site Director (SSD) report and our newest Rapid Street Reporting (RSR) findings from our weekend…

NDEWS Weekly Briefing Issue 252: October 10, 2025

This Week’s Focus: Psilocybin This week’s briefing focuses on psilocybin, a chemical in certain types of fresh or dried mushrooms, also known as shrooms or magic mushrooms. The mushrooms cause behavioral changes and changes in how a person perceives reality; they may see colors, shapes, or scenes that aren’t really…

NDEWS Weekly Briefing Issue 251: October 3, 2025

This Week’s Focus: Ketamine Our focus for this week’s NDEWS Weekly Briefing is on the trends of non-medical use, detection, and the risks associated with overdoses involving ketamine.We feature our latest NDEWS Special Report that focuses on EMS encounters for nonfatal ketamine-related overdoses in the US, in addition…

Teenage Misuse of Cough Medicines and Promethazine

Teen nonmedical misuse of medications may be more common than we believed. In Psychology Today’s Addiction Outlook column, Dr. Mark Gold discusses that teen nonmedical misuse of medications like dextromethorphan (DXM) and promethazine may be more widespread than previously recognized. Dr. Linda B. Cottler, Director of NDEWS, warns, “Parents…

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).