Research
2024
Testimony submitted April 9, 2024 by Stanford University Professor Keith Humphreys to the California Assembly Committee on Environmental and Toxic Materials PDF
2023
Written testimony submitted December 14, 2023 by Stanford University Professor Keith Humphreys to the U.S. Senate Special Committee on Aging PDF
Testimony of Keith Humphreys to the House of Commons Standing Committee on Health hearing on the opioid epidemic in Canada, December 11, 2023, Ottawa. PDF
Written Testimony of Professor Keith Humphreys, Stanford University, to the December 4 hearing of the Joint Legislative Committee on Addiction and Community Safety, Oregon PDF
Testimony of Professor Keith Humphreys, Stanford University to Joint Committee on Mental Health, Substance Use, and Recovery, Massachusetts Legislature. PDF
Testimony of Professor Keith Humphreys, Stanford University to July 5, 2023 hearing of The California Senate Committee on Health PDF
Testimony of Professor Keith Humphreys to the Joint Committee on Mental Health, Substance Use and Recovery, Massachusetts State Legislature PDF
Testimony by Professor Keith Humphreys on Fentanyl, Opioid Addiction and Overdose, joint hearing of The California Assembly Select Committee PDF
Canada's Health Crisis -- Profiling Opioid Addiction in Alberta & British Columbia PDF
Comments on Proposed Regulation of Medications for Opioid Use Disorder by Richard Frank, Keith Humphreys, and Haiden Huskamp. link
2022
Testimony of Keith Humphreys to Oregon State Senate Judiciary Committee at Hearing on Proposition 110 implementation. pdf
2021
Blair Gibbs' report on cannabis legalization in Canada. pdf
Tom Coderre and Keith Humphreys testify at hearing of the Senate Caucus on International Narcotics Control. link
New training on adolescent e-cigarette education and prevention found helpful by educators in new research by Bonnie Halpern-Felsher. link
2019
The Political Economy of the Opioid Epidemic by Mariano-Florentino Cuellar and Keith Humphreys. Yale Law & Policy Review pdf
Opioids, Cannabis, and Vaping: Using Science to Protect Public Health: Joint Hearing of the Senate and General Assembly Health and Human Services Committees, State of Rhode Island (2019) (Testimony of Four SNAP members) pdf
Humphreys, K., Saitz, R. (2019) Should Physicians Recommend Replacing Opioids with Cannabis. JAMA doi:10.1001/jama.2019.0077. link
Letter from Keith Humphreys, Baron Hogan-Howe, and Baroness Finlay to UK Parliamentary Select Committee regarding managing drug-involved criminal offenders pdf
2018
Humphreys, K. (2018) Health Care System Policies That Can Promote Safer Opioid Prescribing. A Report to the Laura and John Arnold Foundation. pdf
Immigration and the Opioid Crisis: Hearing before the House Judiciary (Subcommittee on Immigration and Border Security), House of Representatives, 115th Cong. (2018) (Testimony of Keith Humphreys, Ph.D.) Link to Dr. Humphreys' Hearing Testimony