Symposium Program
September 18, 2026 | Virtual or in-person at UW Tower, 4333 Brooklyn Ave NE, Seattle
8:00-9:00am – Registration / Sign-in
9:00-9:15am – Opening remarks
- Susan Ferguson, PhD, Director, University of Washington Addictions, Drug & Alcohol Institute (ADAI)
- Beatriz Carlini, PhD, MPH, Director, ADAI Cannabis Education and Research Program, University of Washington
9:15-9:40am – Cannabinoid Hyperemesis Syndrome (CHS) in Washington State: What Do We Know?
9:40-10:30am – Understanding CHS
- Moderator: Susan Stoner, PhD, University of Washington Addictions, Drug & Alcohol Institute
- CHS and Endocannabinoid Signaling
Marieka DeVuono, PhD, Addiction Research Group, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada - CHS and Genetic Susceptibility
Ethan Russo, MD, Credo Science Founder & CEO
10:30-10:45am – Break
10:45-11:50am – CHS Prevalence and Trends
Discussant: Jason Williams, PhD, University of Washington Addictions, Drug & Alcohol Institute (ADAI)
- CHS prevalence in US Emergency Departments from 2016 to 2022
James A. Swartz, PhD, Jane Addams College of Social Work, University of Illinois Chicago, IL - Emergency Department Visits for CHS Among Adolescents
Michael S. Toce, MD, MS, Boston Children’s Hospital, Boston, MA - CHS Prevalence and Risk Factors in the U.S․
Nick Glodosky, PhD, Washington State Liquor and Cannabis Board, WA
11:50am-12:15pm – How Narratives of Cannabis Shape CHS Diagnosis Contestation and Treatment Resistance
Moderator: Sharon Garrett, MPH, MA, University of Washington Addictions, Drug & Alcohol Institute (ADAI)
- Heith Copes, PhD, Department of Criminal Justice, University of Alabama at Birmingham
12:15-1:15pm – Lunch (provided). Virtual posters will be displayed onscreen throughout lunch.
1:15-2:30pm – Presentation, Treatment, and Management of CHS in Diverse Settings
Discussant: Chris Buresh, MD, MPH, University of Washington Department of Emergency Medicine
- Emergency Departments & Hospitals
Kimberly Won, PharmD, UC San Diego Skaggs School of Pharmacy and Pharmaceutical Sciences, La Jolla, CA
- Addiction Treatment Settings
Jennifer Hsu, DO, UW Valley Medical Center
- Pediatric Settings
Michael S. Toce, MD, MS, Boston Children’s Hospital, Boston, MA
2:30-2:45pm – Break
2:45-3:40pm – CHS: Clinical, Behavioral, & Policy Perspectives
Moderator: Mary Hatch, PhD, University of Washington Addictions, Drug & Alcohol Institute (ADAI)
- Setting the Stage for Increased CHS Risk: Cannabis Use for GI Relief and Link to Cannabis Use Disorder Among Young Adults
Christine M. Lee, PhD, UW School of Medicine, Department of Psychiatry & Behavioral Sciences, Center for the Study of Health and Risk Behaviors (CSHRB) - Clinical Considerations for Clients with CHS Symptoms
Katherine Walukevich-Dienst, PhD, UW School of Medicine, Psychiatry & Behavioral Sciences Department, Center for the Study of Health and Risk Behaviors (CSHRB)
- Environmental Interventions Do Decrease Cannabis Concentration – Revisiting Recommendations to WA State Legislators
Sharon Garrett, MPH, MA, University of Washington Addictions, Drug & Alcohol Institute (ADAI)
3:40-4:00pm – Final Words and a Research Agenda
- Chris Buresh, MD, MPH, and Beatriz Carlini, PhD, MPH (both from UW)
Symposium Scientific Committee Members (alphabetic order):
Chris Buresh, MD, MPH; Beatriz Carlini, PhD, MPH and Sharon Garrett, MPH, MA.
The ADAI Symposium is funded by the University of Washington’s Cannabis Dedicated Account.
