The legalization of cannabis has brought significant changes to workplace drug testing. As cannabis becomes legal in more areas, employers are reevaluating their drug policies, shifting from zero-tolerance to impairment-based approaches. This change acknowledges the legal and ethical aspects of off-duty cannabis use. Employers are now focusing on detecting impairment at work, rather than penalizing private consumption where it's legally permitted. This evolving landscape underscores the need for businesses to stay informed and adaptable in their drug testing policies to balance legal compliance, employee rights, and workplace safety.