Following is a list of articles, presentations and other works to which Ryan D. Treffers, J.D. has contributed:

• Alcopops Disproportionately Consumed by Minors in Sexual Assault Cases. Health Behavior Research. November 2023.
• Measuring Statutory Law and Regulations for Empirical Research. Legal Epidemiology: Theory and Methods, 2nd Edition. Wiley. August 2023.
• A National Assessment of On-premise Drinking Establishments Near Public Universities: Drink Prices, Drink Specials, Indoor Tobacco Use, and State-level Alcohol Laws. Alcoholism Clinical & Experimental Research. September 2022.
• Rating the comparative efficacy of state-level cannabis policies on recreational cannabis markets in the United States. International Journal of Drug Policy. August 2022.
• The Challenges of Gathering Legal Policy Data in the Age of COVID-19. RSA 45th Annual Scientific Meeting. June 2022.
• Evaluation of Utah’s .05 BAC Per Se Law. National Highway Traffic Safety Administration. February 2022.
• Preventing Marijuana Use Among Youth. Substance Abuse and Mental Health Services Administration. October 2021.
• An examination of the legal marijuana use age and its enforcement in California, a state where recreational marijuana is legal. Insurance Institute for Highway Safety. March 2021.
• The Federal Trade Commission’s mandate Four Loko labeling fails to facilitate accurate estimation of alcohol content by college students. The American journal of Drug and Alcohol Abuse. July 2020.
• Underage Drinkers’ First Experience Consuming A Popular Brand of Supersized Alcopop. The American Journal of Drug and Alcohol Abuse. August 2019.
• Price of Four Loko in Large U.S. Cities, 2018. Alcoholism Clinical & Experimental Research. May 2019.
• APIS Coverage of Recreational Cannabis Policy. Society Prevention Research annual conference. May 2019.
• State policies targeting alcohol use during pregnancy and alcohol use among pregnant women 1985-2016: Evidence from the behavioral risk factor surveillance system. Women’s Health Issues. March 2019. *** Awarded the Gibbs Leadership Prize for the best paper published in Women’s Health Issues in 2019 ***
• Drug use during pregnancy policies in the United States from 1970 to 2016. Contemporary Drug Problems. August 2018.
• Associations between state-level policies regarding alcohol use among pregnant women, adverse birth outcomes, and prenatal care utilization: Results from 1972-2013 Vital Statistics. Alcoholism: Clinical and Experimental Research. June 2018.
• Advancing Drugged Driving Data at the State Level: State-by-State Assessment. AAA Foundation for Traffic Safety. April 2018.
• High-alcohol-content flavored alcoholic beverages (supersized alcopops) should be reclassified to reduce public health hazard. The American Journal of Drug and Alcohol Abuse. April 2018.
• Preemption and Policy: State Law and its Potential Impact on Local Policymaking. Alcohol Policy Conference. April 2018.
• Forty Years of State Alcohol and Pregnancy Polices in the USA: Best Practice for Public Health or Efforts to Restrict Women’s Reproductive Rights? Alcohol and Alcoholism. August 2017.
• Local Regulation of Medical Cannabis in California: Making Public Health a Priority. Policy report prepared by Alcohol Policy Consultations for Ventura County Behavioral Health. June 2017.
• Review of State Laws Restricting Local Authority to Impose Alcohol Taxes in the United States. Journal of Studies on Alcohol and Drugs. March 2017.
• Social Host Law & Outlet Density: What Impact Do They Have in Your Community? Pacific Institute for Research and Evaluation Webinar Series sponsored by the Iowa Department of Public Health, Bureau of Substance Abuse. August 2016.
• Safeguarding Our Communities: Municipal Regulation of Medical Marijuana Cultivation. Policy report prepared by Alcohol Policy Consultations for Ventura County Behavioral Health. January 2016.
• Medical Marijuana in California: An Analysis of the 2015 Legislation. Issue briefing prepared by Alcohol Policy Consultations for Ventura County Behavioral Health. November 2015.
• Social Host Laws: Why is One Approach More Effective than Another in Addressing Underage Drinking? Underage Drinking Enforcement Training Center webinar. August 2015.
• The State of Child Endangerment Policies in the United States. Transportation Research Board annual meeting. January 2015.
• Transporting Young Passengers While Impaired: The State of the Law. Health Behavior and Policy Review. July 2014.
• Best Practices in Municipal Regulation to Reduce Alcohol-Related Harms from Licensed Alcohol Outlets. Policy briefing prepared by Alcohol Policy Consultations for Ventura County Behavioral Health. January 2014.
• Alcoholic Advertising on Public Transit. Alcohol Justice. October 2013.
• Social Host Laws: The Good, the Bad and the Changes. Underage Drinking Enforcement Training Center webinar. September 2013.
• Testing the Results of Municipal Mixed-Use Zoning Ordinances: A Novel Methodological Approach. Journal of Health Politics, Policy and Law. August 2013.
• The Impact of Proposition 26 on Alcohol Retail Deemed Approved Ordinances and Associated Fees. White paper prepared by Alcohol Policy Consultations for Ventura County Behavioral Health. April 2013.
• State Pre-Emption, Local Control, and Alcohol Retail Outlet Density Regulation. American Journal of Preventive Medicine. March 2013.
• Tearing Down California’s Alcohol Regulation: The Alcohol Industry Lobby’s Success in 2012. Alcohol Justice. January 2013.
• Control State Politics: Is Costco’s victory in Washington a wake-up call. American Public Health Association annual meeting.  October 2012.
• Relationships Between Local Enforcement, Alcohol Availability, Drinking Norms, and Adolescent Alcohol Use in 50 California Cities. Journal of Studies on Alcohol and Drugs. July 2012.
• Underage Alcohol Policies Across 50 California Cities: An Assessment of Best Practices. Substance Abuse Treatment, Prevention, and Policy. June 2012.
• Local Authority to Regulate Retail Alcohol Outlets in North Carolina: A Legal Analysis. North Carolina Coalition Initiative. June 2012.
• From Alcoholic Energy Drinks to Supersized Alcopops: A Rare Victory in Protecting Youth from Big Alcohol. Alcohol Justice. August 2011.
• Questionable Health Claims by Alcohol Companies: From Protein Vodka to Weight-loss Beer. Marin Institute (now Alcohol Justice). June 2011.
• States that Charge for Harm: Allocating Alcohol Revenue to Alcohol Programs. Marin Institute (now Alcohol Justice). October 2009.
• Reducing Community Alcohol Problems Associated with Alcohol Sales: The Case of Deemed Approved Ordinances in California. Report prepared by Alcohol Policy Consultations for Ventura County Behavioral Health. September 2009.
• Out-of-Home Alcohol Advertising: A 21st-Century Guide to Effective Regulation. Marin Institute (now Alcohol Justice).  March 2009.
• Laws Prohibiting Alcohol Sales to Intoxicated Persons. Report prepared by PIRE for the U.S. Department of Transportation, National Highway Traffic Safety Administration (NHTSA). June 2009.
• Coast-to-Coast, Responsible Hosts: The Nationwide Movement to End Underage Drinking Parties. American Public Health Association annual meeting. October 2008.

https://orcid.org/0000-0001-8674-3996