The biggest bother for cannabis consumers is a drug test. On the one hand, cannabinoids such as CBD & Delta-8 THC are legal, and researchers are on a constant quest to study their medicinal properties ...

Revised guidelines for drug-testing hair scheduled for publishing next year. (Photo: Jim Allen/FreightWaves) WASHINGTON — The U.S. Department of Health and Human Services has again pushed back its ...

You thought that wild weekend from months ago was ancient history? Think again. While blood tests only catch drug use from the past few days and urine tests stretch to maybe a few weeks, there’s a ...

A highly anticipated federal rulemaking that would permit carriers to drug test drivers using hair samples continues to slog its way through the regulatory process, nearly six years after it was ...

The trucking industry’s decade-long push for hair follicle drug testing is reaching a critical inflection point as the Trump administration prepares to address guidelines that have been delayed ...