Nearly half of U.S. employers have dropped marijuana testing for some job applicants, even as workplace drug tests show ...

California employers are rethinking how they approach workplace drug testing, especially when it comes to THC. For years, the standard answer was simple: order a basic multi-panel urine test that ...

A customer enters the front door of a cannabis retailer in New York. Cannabis retailers say it's hard to sell flower with less than 20% THCa, the form of tetrahydrocannabinol that becomes psychoactive ...

Expanded breath-testing capability enables recent-use detection across a panel modeled after the DOT federally mandated urine drug test panel.