this post was submitted on 20 Nov 2024
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I'd be worried about the ones charged with driving under the influence. It could easily be a way of profiling, given that there isn't any objective way to prove someone's high and not just having consumed within a couple days. The only current way that I know of is a field sobriety test, which can be a bit subjective.
You can do blood tests for THC, which are a reliable measure.
You are probably thinking of THC-COOH urine or saliva tests, which indeed will show positive for days or even weeks after you are already sober again, since THC-COOH is a metabolite of THC that takes very long to break down and does not have psychoactive properties
Just do it how Canada does it, they have a very reasonable cut-off value for THC blood concentration that even regular consumers with a tolerance for THC won't surpass while sober again
You can, but did they in the cases in question?
Going forward, it's a good thing that a method exists to test if someone actually is driving high.
Oh, I'm sure lots of them were wrongfully committed based on inaccurate urine tests or field sobriety tests, no doubt about that