An analysis of 23 cannabis samples from 10 dispensaries found a majority had at least 30% less THC than they were reported to have. Zenkyphoto/iStock via Getty Images Plus Cannabis flower sold in ...

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 ...

Michigan cannabis customers enjoy strong weed, but many within the industry say high demand has led to questionable conduct by greedy marijuana growers, producers and testing labs. Growers pressure ...

Sergio Ramirez, a scientist at Golden State Collective Cannabis Laboratories, demonstrates how the new lab tests the qualities of medical marijuana. (photo by Daniel Archuleta) EASTSIDE — When a ...

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

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 ...

Colorado marijuana manufacturers would no longer be allowed to choose which product samples they send for mandatory lab ...

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 ...

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 ...

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 ...