Add Yahoo as a preferred source to see more of our stories on Google. An analysis of 23 cannabis samples from 10 dispensaries found a majority had at least 30% less THC than they were reported to have ...

Cannabis flower sold in Colorado claims to contain much more tetrahydrocannabinol, or THC, than it actually does, according to my findings published in the peer-reviewed journal PLOS One. THC is the ...

The measure would shift oversight to the Colorado of Public Health and Environment and addresses concerns about testing ...

Medical marijuana doesn’t have to be tested and has no potency limits, under state law in Maine. Office of Cannabis Policy’s case-by-case testing saw examples of edibles having 120mg THC instead of ...

State regulators are a major step closer to ending their four-year long legal battle with cannabis testing lab Viridis Laboratories. An administrative law judge overseeing a case brought by Viridis ...

A Jackson-based cannabis testing lab announced Tuesday that potentially deadly toxins have been detected in over-the-counter cannabis products widely available throughout Mississippi. Employees and ...

The Justice Department announced plans this week that could ease restrictions on state-licensed medical marijuana.

LANSING, MI -- Michigan marijuana customers want to get high, but the information they use to achieve that may be flawed, industry insiders and regulators say. Test results, specifically for THC ...

A majority of cannabis flower products purchased at licensed retail pot shops in Colorado contained less THC than indicated on the label, according to a study performed by a researcher at the ...

On Jan. 1, California shut down testing of popular products at a majority of pot labs previously certified to check the potency of cannabis flower, in a drastic move intended to combat widespread ...

MCR’s lawsuit alleges that eight marijuana testing labs use deceptive practices to pass samples that should never reach dispensary shelves, ultimately resulting in MCR losing dozens of clients MCR ...