Driving Under The Influence
Impaired driving in older adults acute 30 minutes after cannabis ingestion
In a cohort of older adults who smoked cannabis, impaired driving and elevated blood THC levels were significant 30 minutes after ingestion, according to research from JAMA Network Open.
Driving performance worse after smoking cannabis but improves within several hours
Impaired driving performance after smoking cannabis appeared to resolve within 4 hours, 30 minutes in most individuals, according to a double-blind, placebo-controlled parallel randomized clinical trial in JAMA Psychiatry.
Study suggests CBD-dominant cannabis may not impair driving performance
Cannabis strains that contain mostly cannabidiol and almost no tetrahydrocannabinol were not significantly associated with impaired driving, according to research published in JAMA.
Heavy marijuana users drive worse, even when not intoxicated
Recreational marijuana use can impact driving ability in heavy users even when they are not intoxicated, particularly in those who began using the drug before 16 years of age, according to a study published in Drug and Alcohol Dependence.