Discover the different tests used to detect drug abuse from urine to saliva An expert shares how accurate they are and how ...

Cannabis is increasingly accessible in many countries, including several that have recently relaxed prohibition laws or ...

They drug-test existing employees too, a new analysis illustrates—and this includes testing for THC where cannabis is used ...

Chris has been using cannabis for the majority of his adult life, and says he used to get behind the wheel while under the ...