General Article Cannabis-impaired driving: here’s what we know about the risks of weed behind the wheel

Topic Selected: Cannabis Book Volume: 399

Cannabis-impaired driving: Here’s what we know about the risks of weed behind the wheel

Cannabis use negatively affects performance on driving-related cognitive tasks. (Shutterstock)

Dina Gaid, Memorial University of Newfoundland; Jennifer Donnan, Memorial University of Newfoundland; Lisa Bishop, Memorial University of Newfoundland; Maisam Najafizada, Memorial University of Newfoundland; Maria Josey, Memorial University of Newfoundland, and Michael Blackwood, Memorial University of Newfoundland

Cannabis is the second-most widely used substance in Canada, after alcohol. While there is an in-depth understanding of the impact of alcohol on driving, cannabis is a much more complex substance and can affect consumers differently depending on the product type, amount used and a person’s potential tolerance.

This has led to a number of misconceptions about the true impact of cannabis on driving. Research has shown that Canadians perceive driving under the influence of cannabis to be less ...

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