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Tusi, also known as “pink cocaine”, is a relatively new drug concoction that originated in Latin America and has been increasing in prevalence in the US. This course will focus on the origins of this concoction and the shifting epidemiology of use. Particular focus will be paid the drugs this concoction typically contains including ketamine and various stimulants such as cocaine, MDMA, methamphetamine, and synthetic cathinones. Information is intended to inform prevention efforts as this concoction is rapidly shifting the illicit stimulant landscape in the US.

Recording of July 14, 2026 Yale Program in Addiction Medicine Grand Rounds titled "An Overview of the National Drug Early Warning System (NDEWS) and Current Drug Threats" with guest speakers NDEWS Directors Linda Cottler, PhD, MPH, and Joseph Palamar, MPH, PhD.

Interested in learning more about NDEWS? Join us for our annual summit! The NDEWS 5th Annual Summit will be held on Saturday, June 13 from 2:00–6:00 pm PT as a hybrid event. While registration for the CPDD conference is not required to attend the NDEWS Summit, we encourage you to register and join us for additional presentations by NDEWS Coordinating Center and Early Warning Network.

We invite you to join us for the upcoming Our Community, Our Health Town Hall - NDEWS Webinar ft. DEA Lab Director Dr. Agnes Winokur presenting on "orphines” (benzimidazol-2-ones). These synthetic opioids recently emerged as adulterants in the US unregulated drug supply.

As NDEWS continues to evolve alongside the rapidly shifting landscape of drug use trends in the US, your insights have never been more important. Your feedback will help us understand how you use the briefing, what content you find most valuable, and where we can improve. Thank you for taking a few moments to share your perspective. This survey is estimated to take 2 minutes.

We invite you to join us for the upcoming Our Community, Our Health Town Hall - NDEWS Webinar with the National Association of State Controlled Substances Authorities (NASCSA). Topic: The National Drug Early Warning System: Emergency Overdose Trends, Emerging Drugs of Abuse and Why this Matters to States

During the latest Our Community, Our Health Town Hall - NDEWS Webinar, on Thursday, November 20, 2025, the Kindbridge Research Institute team provided an in-depth look at Florida's Playwise program, a statewide initiative providing gambling helpline services, responsible gambling education, and tailored community outreach.

NDEWS Co-Investigator Bruce Goldberger discusses Florida’s decline in drug overdose deaths with the Tallahassee Democrat. Read the full article here.

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.

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…