Recent studies indicate that oral fluid tests can detect recent cannabis use, but they may not accurately reflect
impairment levels. THC concentrations in saliva can remain elevated for extended periods, even after the effects have
subsided, leading to potential false positives. Additionally, standardized field sobriety tests have shown limited
sensitivity to cannabis-induced impairment. Researchers emphasize the need for more reliable methods to assess
cannabis-related impairment effectively.

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