4/20 doubles risks of fatal road accidents: UBC study (CHEOS)

As legislators draft Canada’s laws to legalize marijuana, a UBC researcher is encouraging them to pay special attention to the rules around consuming marijuana and driving.

Dr. John Staples, a clinical assistant professor of medicine and scientist at UBC’s Centre for Health Evaluation and Outcome Sciences, was lead researcher of a study that indicates drivers in the United States are more likely to be in a fatal traffic crash on 4/20.

“Assuming fewer than 10 per cent of Americans drive while high on April 20, our results suggest that drug use at 4/20 celebrations more than doubles the risk of a fatal crash,” said fellow researcher, University of Toronto professor Dr. Donald Redelmeier.

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