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Topic: Driving

A car key rests atop a cannabis leaf

Study: Medical Cannabis Dosing Doesn’t Negatively Impact Driving Performance in Experienced Patients

“Participants exhibited no significant changes in performance” following cannabis dosing.

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A woman sits in the driver's seat of her car smiling

Study: No Changes in Driving Performance Following Use of CBD

Researchers concluded, “Vaporized CBD seems to be a safe substance for visual function and vision-dependent tasks such as driving.”

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an illustration of a nurse holding a clipboard checking newborn babies in incubators

Analysis: Black and Multiracial Newborns Disproportionately Selected for Drug Testing, but Are No More Likely To Suffer From Neglect

“No individual person, family, or institution benefits from racially biased testing or unnecessary CPS investigations,” the study’s authors concluded.

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a black car key rests next to a green marijuana bud

Study: Changes in Marijuana’s Legal Status Do Not Soften Public’s Stance Toward Driving Under the Influence

Investigators concluded, “The hypothesis that more liberal marijuana policies will lead to dangerous driving conditions was not corroborated by our analysis.”

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car driving on the road

Driving Study: Alcohol and Cannabis Have Contrasting Effects on Speed Control

Those under the influence of cannabis “spent more time at speeds significantly below the speed limit.”

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a vial of blood labeled "Test: THC" with the "+" box indicating "positive" checked sitting on a bed of cannabis leaves

Analysis: THC Blood Concentrations Not Correlated With Impairment

Consistent with prior studies, investigators concluded, “The correlation between drug concentration was high for ethanol, … but low for THC.”

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A woman holds a round aluminum tin of square cannabis gummies

Study: Frequent Cannabis Consumers Exhibit No Significant Changes in Driving Performance Following Use of THC-Infused Edibles

Investigators concluded, “No changes in standard deviation of lateral position, maximum speed, standard deviation of speed or reaction time were found at any time point.”

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safe driving

Analysis: Fewer Young Adults Driving Impaired Following Marijuana Legalization

Following legalization, fewer young people engaged in DUI alcohol. Among young people who used cannabis, fewer acknowledged driving under its influence.

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