A brief overview of the differences: Probable cause testing (also known as reasonable suspicion) is based on a determination by a qualified observer that the employee may be abusing a substance ... to ...

Half of motorists pulled over on suspicion of drug-driving fail roadside drug tests, an investigation has found, sparking calls for a fresh approach to tackle the “growing epidemic”. Police figures ...

The 4/20 holiday is this weekend. And if you choose to celebrate, please do so safely. But also, in states like Texas — where the substance is still illegal — it's essential to be wary of a ...