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 ...

Certificates of Analysis (COAs) are like a nutrition label for cannabis, revealing potency, terpene profiles, and safety results. Learning to read them ensures you know exactly what you’re consuming ...

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

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 ...

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 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 Drug Enforcement Administration (DEA) recently released a report on May 9 with details about its 2024 National Drug Threat Assessment (NDTA), which is dedicated to compiling data in relation to ...

Arizona's marijuana-testing labs have decreased from 18 in early 2024 to 11 by mid-2025. Dispensary pressure to manipulate test results, financial difficulties and business disputes contributed to ...

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 ...

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 ...