News
Teen Cannabis Use Doubles Risk for Psychotic and Bipolar Disorders
March 2, 2026
Featured Experts: Rosalie Liccardo Pacula, PhD
Research
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Perspective
Podcast: Schaeffer Scholar Discusses the Side Effects of Legal Cannabis
November 6, 2024
Featured Experts: Rosalie Liccardo Pacula, PhD
Journal Article
Relationships between Alcohol and Cannabis Policies in U.S. States, 1999-2019
December 26, 2023
Featured Experts: Seema (Choksy) Pessar, MPP, Rosalie Liccardo Pacula, PhD
Journal Article
Changes in Cannabis-Attributable Hospitalizations Following Nonmedical Cannabis Legalization in Canada
October 5, 2023
Featured Experts: Rosalie Liccardo Pacula, PhD
Comment Letter
Response to Congressional Request for Information about Regulating Cannabidiol
August 18, 2023
Featured Experts: Rosalie Liccardo Pacula, PhD, Seema (Choksy) Pessar, MPP, Myfanwy Graham
Journal Article
Regular Cannabis Use During the First Year of the Pandemic: Studying Trajectories Rather Than Prevalence
February 18, 2023
Featured Experts: Rosalie Liccardo Pacula, PhD
Perspective
California’s Marijuana Market is Crumbling
February 16, 2023
Featured Experts: Rosalie Liccardo Pacula, PhD
Perspective
The FDA is the Right Agency to Regulate CBD Products, but It Needs Help
February 3, 2023
Featured Experts: Rosalie Liccardo Pacula, PhD
Evidence Base
Small Cannabis Producers Have Bigger Problems than State Taxes and Regulation
January 30, 2023
Featured Experts: Rosalie Liccardo Pacula, PhD
Journal Article
The Cannabis Policy Scale: A New Research and Surveillance Tool for U.S. States
August 23, 2022
Featured Experts: Rosalie Liccardo Pacula, PhD, Seema (Choksy) Pessar, MPP
Journal Article
Characterization of Cannabis Products Purchased for Medical Use in New York State
August 19, 2022
Featured Experts: Rosalie Liccardo Pacula, PhD
White Paper
Federal Regulations of Cannabis for Public Health in the United States
July 18, 2022
Featured Experts: Rosalie Liccardo Pacula, PhD, Seema (Choksy) Pessar, MPP
Journal Article
Comparison of Medical Cannabis Use Reported on a Confidential Survey vs Documented in the Electronic Health Record Among Primary Care Patients
May 24, 2022
Featured Experts: Rosalie Liccardo Pacula, PhD
Journal Article
Trends in the Use of Cannabis Products in Canada and the USA, 2018 – 2020: Findings From the International Cannabis Policy Study
May 23, 2022
Featured Experts: Rosalie Liccardo Pacula, PhD
Journal Article
Impact of Cannabis Legalization on Healthcare Utilization for Psychosis and Schizophrenia in Colorado
April 23, 2022
Featured Experts: Rosalie Liccardo Pacula, PhD
Journal Article
Cannabis Legalization and Cannabis-Involved Pregnancy Hospitalizations in Colorado
March 2, 2022
Featured Experts: Rosalie Liccardo Pacula, PhD
Journal Article
Cannabis Flower Prices and Transitions to Legal Sources After Legalization in Canada, 2019–2020
December 31, 2021
Featured Experts: Rosalie Liccardo Pacula, PhD