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Impairment testing lags behind state cannabis legalization NY employers, law enforcement rely on observation to tell who is under the influence of pot Rebekah F. Ward FacebookTwitterEmail 6 1of6Marijuana plants are pictured at the Bakers marijuana nursery at Baker Medical Wednesday, Feb. 26, 2020, in Oklahoma City. When voters in conservative Oklahoma approved medical marijuana in 2018, many thought the rollout would be ploddingly slow and burdened with bureaucracy. Instead, busines...

A scientific review has located a “window of impairment” for cannabis users, proposing more accurate timeframes of intoxication from THC.

Article content Investigators with the University of Sydney’s Lambert Initiative for Cannabinoid Therapeutics believe they have taken hold of a slippery proposition around THC: Does detection equate to impairment? Determining the precise amount of time someone is impaired after inhaling or orally ingesting weed does not come down to a specific number — given that response is individual — but researchers believe it may come down to a range. We apologize, but this video has failed ...

If you ask 50 different people how long the effects of cannabis last, youre likely to get 50 different answers. This can be a problem for figuring out how long a patient using the drug for medical purposes is going to remain impaired.

Credit: NSW Government A comprehensive analysis of 80 scientific studies has identified a window of impairment of between three and 10 hours caused by moderate to high doses of the intoxicating component of cannabis, tetrahydrocannabinol (THC). The findings have implications for the application of drug-driving laws globally, researchers say. The study found the exact duration of impairment depends on the dose of THC, whether the THC is inhaled or taken orally, whether the cannabis user is regul...

Premium Content Subscriber only How long cannabis users stay impaired or stoned has been discovered by researchers at the Lambert Initiative for Cannabinoid Therapeutics, as medicinal cannabis prescriptions exceed 100,000 nationwide. As legal cannabis is prescribed more regularly, lead researcher Dr Danielle McCarthy and associates conducted the most comprehensive study so far into cannabis impairment. While the intoxicating ingredient in marijuana, THC, can be detected for weeks after consu...