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The failings of per se limits to detect cannabis-induced driving impairment: Results from a simulated driving study

This originally appeared at https://pubmed.ncbi.nlm.nih.gov/33544004/ Thomas R Arkell  1   2   3 , Tory R Spindle  4 , Richard C Kevin  1   2   5 , Ryan Vandrey  4 , Iain S McGregor  1   2   5 PMID: 33544004 DOI: 10.1080/15389588.2020.1851685 Abstract Objective: Many jurisdictions use per se limits to define cannabis-impaired driving. Previous studies, however, […]

On the impact of cannabis consumption on traffic safety: a driving simulator study with habitual cannabis consumers

Anne Tank  1 , Tobias Tietz  2 , Thomas Daldrup  1 , Holger Schwender  2 , Florence Hellen  3 , Stefanie Ritz-Timme  1 , Benno Hartung  4 PMID: 30701315 DOI: 10.1007/s00414-019-02006-3 This originally appeared at https://pubmed.ncbi.nlm.nih.gov/30701315/ Abstract To contribute to the ongoing discussion about threshold limits of Δ9-tetrahydrocannabinol (THC) in road traffic, a driving simulator study with 15 habitually cannabis consuming […]

Residual blood THC levels in frequent cannabis users after over four hours of abstinence: A systematic review.

Yuan Wei Peng  1 , Ediriweera Desapriya  2 , Herbert Chan  2 , Jeffrey R Brubacher  3 PMID: 32841811 DOI: 10.1016/j.drugalcdep.2020.108177 This originally appeared at https://pubmed.ncbi.nlm.nih.gov/32841811/ Abstract Background Tetrahydrocannabinol (THC), the primary psychoactive component of cannabis, causes psychomotor impairment and puts drivers at increased risk of motor vehicle collisions. Many jurisdictions have per se limits for THC, often […]

Crash Fatality Rates After Recreational Marijuana Legalization in Washington and Colorado

This originally appeared at https://ajph.aphapublications.org/doi/10.2105/AJPH.2017.303848 Authors: Jayson D. Aydelotte MD , Lawrence H. Brown PhD , Kevin M. Luftman MD , Alexandra L. Mardock BA , Pedro G. R. Teixeira MD , Ben Coopwood MD , and Carlos V. R. Brown MD Accepted: April 11, 2017 Published Online: July 12, 2017 Objectives. To evaluate motor vehicle crash […]

The effect of recreational cannabis legalization on rates of traffic injury in Canada

This originally appeared at https://pubmed.ncbi.nlm.nih.gov/36908044/ Authors: Madison Walker  1   2 , Olli Saarela  3 , Robert Mann  4 , Melissa Carpino  1 , Michael D Cusimano  1   2   3 PMID: 36908044 DOI: 10.1111/add.16188 Abstract Aims To measure the impact of Canada’s recreational cannabis legalization (RCL) in October 2018 and the subsequent impact of the coronavirus disease […]

Canada’s cannabis legalization and drivers’ traffic-injury presentations to emergency departments in Ontario and Alberta, 2015-2019

This originally appeared at https://www.sciencedirect.com/science/article/abs/pii/S0376871621005032 The authors University of Northern British Columbia, Northern Medical Program, 3333 University Way, Prince George, British Columbia, V2N 4Z9, Canada Centre for Addiction and Mental Health (CAMH), Human Brain Laboratory, 250 College Street, Toronto, Ontario, M5T 1L8, Canada cUniversity of Victoria, Canadian Institute for Substance Use Research (CISUR), 2300 McKenzie […]

Did the cannabis recreational use law affect traffic crash outcomes in Toronto?

This originally appeared at https://pubmed.ncbi.nlm.nih.gov/37139565/ José Ignacio Nazif-Munoz  1 , Karen A Domínguez-Cancino  1 , Marie Claude Ouimet  1 , Thomas G Brown  1 Abstract Introduction In the past decade, a group of studies has begun to explore the association between cannabis recreational use policies and traffic crashes. After these policies are set in place, several factors may […]

UI studies impact of marijuana on driving

This originally appeared at https://now.uiowa.edu/2015/06/ui-studies-impact-marijuana-driving First-of-its-kind study at University of Iowa’s National Advanced Driving Simulator shows how marijuana and marijuana with alcohol impact driving BY: SARA DIEDRICH  |  2015.06.23  A new study conducted at the University of Iowa’s National Advanced Driving Simulator (NADS) has found drivers who use alcohol and marijuana together weave more on a virtual roadway than drivers who […]

How high is too high? KIRO tests pot-smoking drivers to find out

This article originally appeared at https://www.kiro7.com/news/how-high-too-high-kiro-7-tests-pot-smoking-drivers/246320721/ THURSTON COUNTY, Wash. — In a test that’s never before been done in Washington, KIRO 7 Eyewitness News had volunteers smoke marijuana and then put them behind the wheel to show what stoned driving looks like and the danger on the road. To find out how much marijuana is […]

Marijuana Mile: Driving test highlights challenges for Mass. lawmakers

This article originally appeared at https://www.boston25news.com/news/marijuana-mile-driving-test-highlights-challenges-for-mass-lawmakers/491580705/ WEYMOUTH, Mass. — A series of driving tests involving volunteers under the influence of marijuana revealed a wide range of effects on drivers, based on their tolerance for the drug and other factors. FOX25 Investigates organized the controlled tests on a closed course, under the supervision of a doctor, […]