2026 ADAI Symposium
The Addictions, Drug & Alcohol Institute’s Cannabis Education & Research Program hosted this day-long hybrid (in-person and virtual) event on September 18, 2026, titled “The Dose Makes the Poison: Cannabinoid Hyperemesis Syndrome Goes Mainstream.”
Symposium Scientific Committee Members (alphabetic order): Chris Buresh, MD, MPH, Beatriz Carlini, PhD, MPH, and Sharon Garrett, MPH, MA.
Recordings & Slides for Each Session
9:00-9:15am – Opening remarks
- Beatriz Carlini, PhD, MPH, Director, ADAI Cannabis Education and Research Program, University of Washington [slides]
- Sharon Garrett, MPH, MA, Co-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?
Beatriz Carlini, PhD, MPH, Director, ADAI Cannabis Education and Research Program, University of Washington [slides]
Q&A (video 17:40) [watch]
9:40-10:30am – Understanding CHS
- Moderator: Susan Stoner, PhD, University of Washington Addictions, Drug & Alcohol Institute
- Lived Experience Video (video 2:04) [watch]
- CHS and Endocannabinoid Signaling: From Antiemetic to Emetic (video 4:00)
Marieka DeVuono, PhD, Addiction Research Group, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada [watch | slides] - CHS and Genetic Susceptibility (video 26:37)
Marieka DeVuono, PhD, Addiction Research Group, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada [watch | slides] - Q&A (video 45:20) [watch]
10:45-11:50am – CHS Prevalence and Trends
Discussant: Jason Williams, PhD, University of Washington Addictions, Drug & Alcohol Institute (ADAI)
- Lived Experience Video (video 3:08) [watch]
- Trends, Measurement, and Emerging Risk Patterns (video 4:58)
James A. Swartz, PhD, Jane Addams College of Social Work, University of Illinois Chicago, IL [watch | slides] - Cannabinoid Hyperemesis Syndrome Among Adolescents: Up to Date Epidemiologic Evidence on Prevalence (video 21:25)
Michael S. Toce, MD, MS, Boston Children’s Hospital, Boston, MA [watch | slides] - CHS Prevalence and Risk Factors in the U.S․ (video 34:40)
Nick Glodosky, PhD, Washington State Liquor and Cannabis Board, WA [watch | slides] - Discussion: CHS Epidemiology: Counting is Hard (video 49:35)
Jason Williams, PhD, University of Washington Addictions, Drug & Alcohol Institute (ADAI) [watch | slides] - Panel Q&A (video 56:39) [watch]
11:50am-12:15pm – Experiencing Cannabinoid Hyperemesis Syndrome: How Narratives of Cannabis Shape Resistance to Diagnosis and Treatment
Moderator: Sharon Garrett, MPH, MA, Co-Director, ADAI Cannabis Education and Research Program, University of Washington
1:15-2:30pm – Digital Poster Session
View all posters (pdf)
- Bevis, B., & Turner, K. (2026). Using syndromic surveillance to inform local public health response: Monitoring cannabinoid hyperemesis syndrome in Snohomish County, WA.
- Godishala, V., Polana, V., & Ray, S. (2026). Cannabis-associated versus non-cannabis cyclic vomiting syndrome: Acute presentation, kidney injury, and resource use in a national cohort (2019-2022).
- Gupta, I. & Garrett, S. (2026). Cannabinoid hyperemesis syndrome (CHS): Comparative review of 11 clinical guidelines and pathways.
- Peterson, C., Simonian, J., Mbengue, M., Higgins, J., Kirk, R., Nava, K., Lasinski, R., & Nelson, A. (2026). Cannabinoid hyperemesis syndrome: Cannabis use patterns and symptom profiles.
- Wai, A., Del Fiol, A., Garrett, S., & Carlini, B. (2026). Contesting cannabinoid hyperemesis syndrome (CHS): Reactions to the new ICD-10 code.
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
- Lived Experience Video (video 4:15) [watch]
- Presentation & Treatment of CHS in Diverse Settings: Recognition and Management in the Emergency Department & Hospitals (video 2:50)
Kimberly Won, PharmD, UC San Diego Skaggs School of Pharmacy and Pharmaceutical Sciences, La Jolla, CA [watch | slides]
- Presentation, Treatment, and Management of CHS in Diverse Settings (video 26:19)
Jennifer Hsu, DO, UW Valley Medical Center [watch | slides]
- Cannabinoid Hyperemesis Syndrome Among Adolescents: Up to Date Evidence on Treatment (video 36:43)
Michael S. Toce, MD, MS, Boston Children’s Hospital, Boston, MA [watch | slides] - Discussion (video 53:07)
Chris Buresh, MD, MPH, University of Washington Department of Emergency Medicine [watch | slides] - Panel Q&A (video 54:15) [watch]
2:45-3:40pm – CHS: Clinical, Behavioral, & Policy Perspectives
Moderator: Mary Hatch, PhD, University of Washington Addictions, Drug & Alcohol Institute (ADAI)
- Lived Experience Video (video 3:06) [watch]
- Setting the Stage for Increased CHS Risk: Cannabis Use for GI Relief and Link to Cannabis Use Disorder Among Young Adults (video 1:15)
Christine M. Lee, PhD, UW School of Medicine, Department of Psychiatry & Behavioral Sciences, Center for the Study of Health and Risk Behaviors (CSHRB) [watch | slides] - Clinical Considerations for Clients with CHS Symptoms (video 20:49)
Katherine Walukevich-Dienst, PhD, UW School of Medicine, Psychiatry & Behavioral Sciences Department, Center for the Study of Health and Risk Behaviors (CSHRB) [watch | slides] - Environmental Interventions Do Decrease Cannabis Concentration – Revisiting Recommendations to WA State Legislators (video 37:53)
Sharon Garrett, MPH, MA, ADAI Cannabis Education and Research Program, University of Washington [watch | slides] - Panel Q&A (video 55:20) [watch]
3:40-4:00pm – Research Agenda and Final Words
Chris Buresh, MD, MPH, and Beatriz Carlini, PhD, MPH (both from UW) [slides]
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.
