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Tuesday, May 30, 2023
Mugglehead Magazine
Alternative investment news based in Vancouver, B.C.


Legalizing weed didn’t put more Canadian drivers in hospital: study

Concerns were raised that cannabis would spike accidents, especially among youth, but data show otherwise

A study published in the journal Drug and Alcohol Dependence showed no association between cannabis legalization and ER visits. Photo by Pavel Danilyuk via Pexels

Legalizing cannabis didn’t cause more traffic accident-related trips to Canadian emergency rooms, researchers say.

A recent study published in the journal Drug and Alcohol Dependence compared injury-related emergency department visits before and after legalization, showing there was no significant association between the two.

According to the study, legalization raised concerns the new policy would normalize use thereby increasing traffic accidents, but data suggest otherwise.

“In both of the youth-driver models for Ontario and Alberta, there was no evidence of a significant step-function effect on motor vehicle collisions injury presentations associated with cannabis legalization visits,” reads the study authored by University of Northern British Colombia researchers and other Canadian substance use academics.

For the study, researchers compared provincial emergency department records in Ontario and Alberta from April 2015, three years before legalization until the end of 2019, a year post-legalization.

In Alberta, traffic-injury emergency department visits decreased by 0.66 visits in young drivers while in Ontario there was an increase of 0.09 visits to the emergency department.

Overall, injuries due to motor vehicle accidents among all drivers in Alberta increased by 9.17 visits while in Ontario increased by 28.93 visits.

“The current study found no evidence that the implementation of the Cannabis Act was associated with significant changes in post-legalization patterns of all drivers’ traffic-injury emergency department visits or, more specifically, youth-driver traffic-injury emergency department presentations,” reads the study.

Read more: CBD won’t cause false-positive roadside THC tests, study shows

The study focused on adults, and young drivers 14–17 years old in Alberta and 16–18 in Ontario. This subgroup included young drivers with the minimum driving age in each province, but younger than the legal age to buy pot.

The Canadian Institute for Health Information provided anonymous data for the project from the National Ambulatory Care Reporting System which compiles data for all hospital-based and community-based ambulatory care such as surgeries and emergency departments.

Read more: Landmark study first to show low-dose CBD doesn’t impair driving

Read more: Stoners drive less impaired than doobie newbies

Other research looking at the effect of legalization on driving has focused almost solely on traffic-fatality outcomes in the United States, but researchers are expanding the field to a wider range of traffic-related outcomes.

Studies researching impaired driving and legalization of recreational weed have concluded that cannabis legalization in the U.S. may be associated with a small but significant increase in fatal motor vehicle collisions which, if extrapolated to the Canadian context, would result in as many as 308 additional fatalities per year.


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