SECAUCUS, N.J., May 18, 2023 /PRNewswire/ -- The percentage of employees in the general U.S. workforce testing positive for marijuana following an on-the-job accident increased to its highest level in ...

The rate of substituted or invalid drug tests — an indication of tampering to hide drug use — rose more than six-fold in 2023 versus the prior year, according to a Quest Diagnostics analysis of 9.8 ...

Though the U.S. Food and Drug Administration has not approved THC as a safe and effective drug for any condition, employees are using arguments of medical necessity against employers who don’t ...

Although marijuana is still a Schedule I substance and illegal under federal law, many states have legalized its use in recent years. A Pew Research Center analysis found that 54 percent of Americans ...

Positive marijuana tests push many drivers out of the industry, aggravating an existing recruiting and retention challenge. Education and messaging can help keep drivers up-to-date on DOT rules—but ...

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