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 ...

CHICAGO (WLS) -- The University of Illinois Chicago has released an internal investigation report into faulty lab testing that has potentially jeopardized more than 1,000 cannabis DUI cases in the ...

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 ...

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 ...