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 ...

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 ...

Minnesota quietly marked an important milestone last week on its long and fraught journey toward launching a recreational marijuana market: the first legal sale of cannabis flower grown by a new state ...

The median reported potency of regulated weed in California has been steadily dropping over the past six months, according to a report from Bay Area news source SFGate. The drop in potency, which ...

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 ...

MENANDS, N.Y. (NEWS10) — Making sure your cannabis products are safe to use, that’s the goal of a recently opened laboratory in Menands. Aaron Riley is the CEO of Certified Testing & Data, or CTND for ...

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 ...

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 ...

Anna Schwabe is a board member for the Agricultural Genomics Foundation, not-for-profit group. She also worked for Mile High Labs following post graduation, but was not involved in lab testing for ...