NASHVILLE, Tenn. (WSMV) - Update: The Tennessee Bureau of Investigation gave some clarification to testing for THC in Tennessee during a press conference on Friday. Director David B. Rausch explained ...

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 ...

Elizabeth and Luke Mason, scientists who met during graduate studies at Colorado State University, saw cannabis legalization in 2012 as an opportunity. With backgrounds in biochemistry, microbiology, ...

Lab results showed that many contained illegal amounts of THC, including two vape pens over 200 times the federal limit.

Marijuana, and the tetrahydrocannabinol levels that make someone feel high, is legal for recreational purposes in three of Indiana’s four neighboring states. But figuring out when someone is too high ...

Tennessee’s HB 2525 would legalize marijuana, fund roads, and reshape drug testing and background checks. What employers and ...

Indiana doesn’t currently have a method for testing if someone is too high to drive, but a bill proposes setting the bar at 5 nanograms. Stock photo by Ivan Balvan/Getty Images Marijuana, and the ...