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Lab tests show THC potency inflated on retail marijuana in Colorado

  • Written by Anna Schwabe, Associate Lecture Professor of Modern Cannabis Science, University of Colorado Boulder
Lab tests show THC potency inflated on retail marijuana in ColoradoAn 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 Colorado claims to contain much more tetrahydrocannabinol, or THC, than it actually does, according to my findings published in the peer-reviewed journal...

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