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 ...

Arizona dispensaries are required to test cannabis products for potency and contaminants. Testing regulations, implemented in 2020, cover potency and contamination from microbials, heavy metals and ...

The "Cannabis Testing Services Market Size, Share & Trends Analysis Report By Service (Potency Testing, Terpene Profiling, Heavy Metal Testing, Pesticide Screening, Microscopy Testing), By End-use, By ...

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 ...

Ever accidentally gotten too high off an edible brownie? There might be a reason for that. As more states across the country legalize medical and recreational marijuana use, the business of weed ...

Younger cannabis users may tire of hearing the adage that today’s weed is too damn strong. Indeed, a study from 2021 said the average THC concentration in flower in 2009 was 9.75 percent, compared to ...

Nearly half of the labels on cannabis plant products recently tested in Colorado misstated the potency, according to a University of Colorado Boulder study published in the journal Scientific Reports.

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 ...

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 ...

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 ...