Untangling the Challenges of Testing for Marijuana Impairment
Testing for marijuana impairment is like navigating a maze – it's tricky, and the rules aren't as straightforward as they are for alcohol. Unlike a clear blood alcohol concentration limit for alcohol (like the 0.08% legal limit for driving), figuring out if someone is impaired by marijuana isn't as simple. Tests for THC, the active component in marijuana, can show positive results long after any "high" has worn off. It's a bit like finding footprints but not knowing exactly when the person walked by.
Adding to the confusion, the type of test matters. Whether it's a urine, blood, or hair test...