Erik L. Friesen

1 King's College Circle
Toronto, ON, Canada

Last Updated: 09/26/2026

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Found 33 publications

Changes in the proximity of alcohol outlets to schools after the introduction of convenience store alcohol sales in Ontario, Canada: A descriptive study.

Changes in the proximity of alcohol outlets to schools after the introduction of convenience store alcohol sales in Ontario, Canada: A descriptive study.

Journal: Public health

Published: March 12, 2026

Equity-Related Determinants of Frequent Emergency Department Visits for Substance Use Disorders: A Population-Based Study in Ontario, Canada.

Equity-Related Determinants of Frequent Emergency Department Visits for Substance Use Disorders: A Population-Based Study in Ontario, Canada.

Journal: The International journal of social psychiatry

Published: February 28, 2026

Prevalence and incidence of mental disorders among First Nations and other individuals using methamphetamine in Manitoba, Canada.

Prevalence and incidence of mental disorders among First Nations and other individuals using methamphetamine in Manitoba, Canada.

Journal: Social psychiatry and psychiatric epidemiology

Published: November 30, 2025

Effect of Nonmedical Cannabis Legalization and Exposure to Retail Stores on Cannabis Harms : A Quasi-experimental Study.

Effect of Nonmedical Cannabis Legalization and Exposure to Retail Stores on Cannabis Harms : A Quasi-experimental Study.

Journal: Annals of internal medicine

Published: November 24, 2025

Psilocybin retail stores in Canada: Changes in availability, commercialization, and geographic distribution.

Psilocybin retail stores in Canada: Changes in availability, commercialization, and geographic distribution.

Journal: Canadian journal of public health = Revue canadienne de sante publique

Published: September 29, 2025

Conversational agent interventions in diabetes care: a systematic review.

Conversational agent interventions in diabetes care: a systematic review.

Journal: Diabetes research and clinical practice

Published: July 01, 2025

Psilocybin Dispensaries and Online Health Claims in Canada.

Psilocybin Dispensaries and Online Health Claims in Canada.

Journal: JAMA network open

Published: April 01, 2025

Outcomes in Clinical Subgroups of Patients With Alcohol-Related Hospitalizations.

Outcomes in Clinical Subgroups of Patients With Alcohol-Related Hospitalizations.

Journal: JAMA network open

Published: January 31, 2024

The association between alcohol retail access and health care visits attributable to alcohol for individuals with and without a history of alcohol-related health-care use.

The association between alcohol retail access and health care visits attributable to alcohol for individuals with and without a history of alcohol-related health-care use.

Journal: Addiction (Abingdon, England)

Published: December 13, 2023

Characterizing the clinical subgroups of individuals who present to the emergency department for alcohol-related harms in Ontario, Canada: A latent class analysis.

Characterizing the clinical subgroups of individuals who present to the emergency department for alcohol-related harms in Ontario, Canada: A latent class analysis.

Journal: Psychiatry research

Published: September 17, 2023

The Impacts of Selling Alcohol in Grocery Stores in Ontario, Canada: A Before-After Study.

The Impacts of Selling Alcohol in Grocery Stores in Ontario, Canada: A Before-After Study.

Journal: Journal of studies on alcohol and drugs

Published: August 31, 2023

Geographic clustering of cannabis stores in Canadian cities: A spatial analysis of the legal cannabis market 4 years post-legalisation.

Geographic clustering of cannabis stores in Canadian cities: A spatial analysis of the legal cannabis market 4 years post-legalisation.

Journal: Drug and alcohol review

Published: August 17, 2023

Showing 1-12 of 33

Last Updated: 09/26/2026