Dina Gaid

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

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

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 use doubles the risk of a fatal or serious-injury car crash, but some people believe it’s safer than alcohol-impaired driving. Here’s what you need to know about cannabis behind the wheel.

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