Related Experiment Video
Updated: Feb 19, 2026

Preclinical Model of Prenatal Delta-9-Tetrahydrocannabinol Exposure to Assess Its Impact on Neurodevelopmental Outcomes
Published on: February 28, 2025
Cannabis Intoxication Case Series: The Dangers of Edibles Containing Tetrahydrocannabinol
Kathy T Vo1, Howard Horng2, Kai Li1
1Department of Emergency Medicine, University of California, San Francisco; California Poison Control System, San Francisco Division.
Study Objective:
Cannabis and its principal active constituent, Δ9-tetrahydrocannabinol (THC), are increasingly available as edibles resembling commercially available food products. In this case series, we describe a population of predominantly pediatric patients who were inadvertently exposed to a THC-containing product in San Francisco.
Methods:
Twelve children and 9 adults were identified, with 16 patients having detectable serum THC and THC metabolites. All patients presented to hospitals with a variety of constitutional symptoms and all were discharged home within 12 hours.
Results:
In general, pediatric patients had more severe symptoms and longer hospital length of stay, and, uniquely, a majority presented with leukocytosis and elevated lactic acid levels.
Conclusion:
We recommend that efforts be made to increase general public awareness in regard to the potential hazards of THC-containing edibles resembling commercially available food products.
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