Scientists say they’ve identified an alternative way to test for recent marijuana use that’s significantly more accurate than standard THC blood tests that sometimes misrepresent a person’s potential impairment depending on frequently they use cannabis. And they’re actively working to build on that ...
By comparison, testing for THC alone “yielded 88 percent specificity, 73 percent sensitivity and 80 percent accuracy.
That's what we use now. So it's a significant improvement. Right now we're taking away rights with an error rate of 1/5. Anything that improves that is good.