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Bridging Science and Public Policy to Break Free from the Cycle of Addiction

Addiction causes enormous damage to individuals, families, and communities. SNAP brings scientists, policymakers, and the public together to translate our collective knowledge into scientifically-informed policy recommendations for preventing and treating substance use disorders, supporting long-term recovery from addiction, and protecting public health and safety.


Prevention in Youth

Helping young people avoid substance use and related risks.

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Marijuana Policy

Protecting public health in a changing legal environment.

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Opioid Epidemic

Reversing addiction, overdoses, and their causes.

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Criminal Justice

Restoring lives while protecting the public.

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Upcoming Events

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SNAP's Latest


  • Dr. Keith Humphreys leads Stanford-Lancet Commission on the Opioid Crisis See report
  • Keith Humphreys contributes to Harvard University report on how to best use funds from opioid lawsuits See Report
  • SNAP Member Blair Gibbs leads new report on cannabis legalization in Canada See Report
  • Rob MacCoun interview on Marijuana Policy: Changes and Challenges. Video Here
  • Bonnie Halpern-Felsher testifies to Congress about E-Cigarettes: Video here
  • Fentanyl's rapid spread westward - an interview with Dr. Chelsea Shover Listen  
  • Stanford addiction scientists support addiction treatment proposal of Assemblymember Marie Waldron View PDF
  • 9 U.S. Senators cite SNAP Member Dr. Bonnie Halpern-Felsher's youth smoking and COVID-19 research in letter to DHHS Secretary  See more
  • Keith Humphreys and Richard Saitz's commentary on marijuana as a replacement for opioids is published in JAMA. See more

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