Skip to content

Rachael MacDonald-Spracklin

3 papers in the library · 1 citation · publishing 2025-2026

Papers

Sort Most recent Most cited

Changes over time in hallucinogen-related emergency department visits in Ontario, Canada.

Addiction (Abingdon, England) July 1, 2026 Daniel T. Myran, Rachael MacDonald-Spracklin, Alexander R Levesque et al.

Recent increasing interest in hallucinogens has underscored the critical gaps in our understanding of their adverse health effects and healthcare usage over time. The current study aimed to examine changes in emergency department (ED) visit rates involving hallucinogens, clinical outcomes of visits and the characteristics of individuals with ED visits involving hallucinogens. Repeated...

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

Canadian Journal of Public Health March 19, 2026 Jenna Matsukubo, Erik Loewen Friesen, Rachael MacDonald-Spracklin et al. 1 citation

IntroductionThe use of psychedelics has increased in Canada in recent years. Although non-medical psilocybin use is prohibited under the Controlled Drugs and Substances Act, we previously documented the emergence of grey-market brick-and-mortar psilocybin retailers. This study examined changes in the number, composition, and geographic distribution of Canadian psilocybin retail stores between...

Hospital-based care for hallucinogens and risk of mania and bipolar disorder: A population-based cohort study.

PLoS Medicine December 1, 2025 Daniel T. Myran, Rachael MacDonald-Spracklin, Michael Pugliese et al.

Hallucinogen use for both recreational and medical purposes is rapidly increasing globally, raising concerns about potential adverse effects. This study examined the risk of incident mania or bipolar disorder (BD) diagnosis associated with having an emergency department (ED) visit or hospitalization involving hallucinogens. We used a population-based cohort study of all individuals aged 14-65...