Drug testing for marijuana has never been an exact science. There is no consensus on what level of marijuana in the bloodstream constitutes intoxication. Unlike alcohol, employees who used marijuana ...

Police on Long Island are now using a roadside saliva test that can detect marijuana use and other drugs in minutes.

States vary in how they test for marijuana use. The most common methods for detecting THC or its metabolites involve blood, urine, or saliva testing. Alabama and Indiana have permanent or active oral ...

Measuring marijuana intoxication in drivers has become more confusing since adult-use marijuana was legalized in Arizona. But in a new ruling earlier this month from the Arizona Court of Appeals, the ...

Suffolk County police are using a new drug-testing kit to determine whether drivers may be impaired by cannabis and other drugs. Police are using three of the saliva-testing kits, known as SoToxa, in ...

LAS VEGAS (FOX5) — Three high-profile marijuana DUI cases are moving through Nevada courts, highlighting the challenges of prosecuting impaired driving without a standardized test for cannabis ...