Urine THC testing will return a positive result if the donor has used THC sometime recently, but not necessarily that they’re inebriated right now, whereas BAC tests can determine if someone is intoxicated at the time of the test. Is there a reason we don’t have “you are high right now” tests instead of “you smoked 2 weeks ago” tests?
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Another good answer I haven’t seen is that it’s still a schedule 1 drug which makes it really hard for legit research to even get it to do experiments and make any real guidelines.
Im confused here with everyone saying that there is no way to test if you are high atm. Up in Canada on big industrial work sites/construction we have a saliva test that goes back ~10 hours.
You can still have THC in your system after 3 months of not smoking the tests we have now just show that you have smoked not how much/how recently.
Most tests don’t test for THC but metabolites. So a chemical that is created after getting high and has metabolized in your body. And it stays in your fatty tissues.
I will add, if you could take that metabolite they test for and smoke it, it wouldn’t get you high.
The difference between a first time alcohol user and my dad is 1/1000th the difference between my dad and someone who uses a dab rig.
There’s no comparison. You can build mild tolerance to alcohol but you can craft a Great Wall of China with a Grand Canyon moat to ward off weeds effects.
There is no measure that will tell you if some9ne else is high. You can’t just find some THC concentration and say ‘everyone with more than this is high’, tolerances change, and vary widely.
iirc the countries with the most sensible cannabis laws have their traffic police use tests that can at least determine if someone has consumed within the last 12 hours, it’s geared through the threshhold for the concentration it takes to trigger the test, though i don’t know how the tests are able to differentiate between heavy use longer ago and a small amount recently. i just remember the test threshhold being a contentious issue with car owning friends of mine who used regularly, and who often mentioned how much fairer testing practices in countries like the netherlands and portugal were.
Specific blood/THC concentrations simply do not predict specific cognitive impairments with sufficient accuracy to justify prosecution and conviction as is done with alcohol.
This fact doesn’t stop jurisdictions from proscribing their own limits anyways and convicting people who exceed them, despite the fact that such limits are meaningless.
Also, the US has made it illegal to scientifically study marijuana…no studies..no way to measure.
There is a way to test this and it’s in beta right now. Check out Cannabix Technologies (BLOZF). They are a Canadian company that is partnered with University of Florida and if their press releases are to be believed they are close to fielding this exact niche testing.
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