A urine test can detect THC for up to 30 days after use. THC is detectable in blood for the shortest time, up to 12 hours, but can stay longer in heavy users. Hair tests show THC use for the longest ...

After you use a wax pen, THC may be detectable in your urine for about 30 days, depending on how frequently you use THC, the testing method, and other factors. People can use wax pens to smoke or dab ...

With more than 230,000 positive drug tests since 2020, how the trucking industry detects drivers’ drug use is an important topic. Currently, Department of Transportation drug testing relies entirely ...

Five years after New York legalized recreational marijuana, a basic question remains unanswered: how to detect if someone is ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A marijuana testing laboratory is one step away from approval to open on Cedar Hill Street. Green Armory Laboratories Inc. goes ...

ASHEVILLE, N.C., June 20, 2022 /PRNewswire/ -- Keystone Lab, based in Asheville, NC, has officially added delta-8 THC & CBD metabolites testing to the testing menu on its clinical services line.

EDITOR’S NOTE: This article was updated on Feb. 7 to include more information on the lawsuit and details about the history of cannabis testing in Massachusetts. The controversy surrounding ...