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Peak levels of cannabis-associated intoxication occur about 20 minutes after smoking it and last several hours. [56] The total short-term duration of cannabis use when smoked depends on the potency, method of smoking – e.g. whether pure or in conjunction with tobacco – and quantity.
Acute cannabis intoxication has been shown to negatively affect attention, psychomotor task ability, and short-term memory. [14] [15] Studies of chronic cannabis users have demonstrated, although inconsistently, a long-lasting effect on the attention span, memory function, and cognitive abilities of moderate-dose, long-term users. Once cannabis ...
Two main questions arise in the law surrounding driving after having ingested cannabis: (1) whether cannabis actually impairs driving ability, and (2) whether the common practice of testing for THC (the main psychoactive substance in cannabis) is a reliable means to measure impairment. On the first question, studies are mixed.
Cannabis intoxication limits vary by state — anywhere from zero to 5 nanograms per milliliter of blood. But most clinical researchers say those numbers don’t correlate with impairment. “What ...
A physician told Virginia detectives the death could have been prevented if a medical intervention had happened shortly after ingestion, according to officials.
Heavy cannabis use could negatively impact certain types of memory, largest study of its kind to date has found. Image credit: Valeria Mongelli/Bloomberg/Getty Images.
The lack of suitable tests and agreed-upon intoxication levels is an issue in the legality of cannabis, especially regarding intoxicated driving. The concentrations obtained from such analyses can often be helpful in distinguishing active use from passive exposure, elapsed time since use, and extent or duration of use.
Cannabis (/ ˈ k æ n ə b ɪ s /), [2] commonly known as marijuana (/ ˌ m æ r ə ˈ w ɑː n ə /), [3] weed, and pot, among other names, is a non-chemically uniform drug from the cannabis plant. Native to Central or South Asia, the cannabis plant has been used as a drug for both recreational and entheogenic purposes and in various ...