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 ...

LANSING, MI - Most Michigan marijuana customers take for granted that their products are safe and accurately tested, industry ...

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 ...

The cannabis industry has undergone a rapid transformation over the past decade, spurred by evolving federal and state legislation. Yet, beneath the promise of legalization and medical innovation lies ...

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 ...

Anna Schwabe was studying cannabis genetics for her PhD at Northern Colorado University, investigating whether people could smell genetic differences between cannabis strains. After getting back ...

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 ...

Arizona's health agency does not disclose fines against marijuana testing labs on its public website, unlike other licensed businesses. Records obtained by The Arizona Republic show over $1 million in ...

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 ...