Joint effects: can tobacco counteract cannabis impairment behind the wheel?
NCT ID NCT05526196
First seen Mar 20, 2026 · Last updated May 22, 2026 · Updated 12 times
Summary
This study looks at how smoking cannabis, tobacco, or both together affects driving skills, thinking, and blood THC levels. Sixty regular cannabis users will drive a simulator and take cognitive tests after smoking different combinations. The goal is to understand why people mix cannabis and tobacco and whether tobacco changes the impairing effects of cannabis on driving.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Centre for Addiction and Mental Health
RECRUITINGToronto, Ontario, M5T 1R8, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••
Conditions
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