October 4, 2023

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Last Updated: October 3, 2023

This year, states across the country passed legislation to address increasing rates of opioid overdose deaths and improve approaches to substance use disorder. Legislation focusing on oversight of state opioid litigation funds, expanded access to medications for opioid use disorder (MOUD), dissemination and decriminalization of drug paraphernalia, and enhanced fentanyl sentencing all passed this year. Please note that this list is not exhaustive of all addiction related legislation but is a select list of items tracked by the O’Neill Institute.  

The 2023 legislative sessions have adjourned in 43 states and the District of Columbia. For states still in session, pending legislation is provided. Read the update here.

Read the full 2023 roundup. 

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October 14, 2025

Charles Holmes Maggie Little, Ph.D.; Heidi Weimer, J.D., MPH, LL.M; Dylan Green, MPH; Alicia Patterson, Ph.D.; Jonathan Healey; Sydney Luken; Janet Tatenda Bhila; Aleny Couto, MD; Shona Dalal, PhD; Will Fleisher, PhD; Jen Gennai; Rayid Ghani; Peter Godfrey-Faussett; Melissa Goldstein, JD; Kathy Hageman, PhD, MPH; Nina Hasen, PhD; Micheal Ighodaro; Thoko Kalua, MBBS, MSc; Jennifer Miller, PhD; Yogan Pillay, PhD; Anton Pozniak, MD; Miriam Rabkin, MD, MPH; David Ribes, PhD; Lisa Singh, PhD