A Canadian cannabis testing lab revealed that most of the cannabis it has tested falls within a lower THC range than users expect. The lab has analyzed more than 20,000 cannabis samples, of which only ...

Many states in the U.S. have legalized cannabis either medically or recreationally, but without legalization at the federal level regulation is left to states, including testing for contaminants and ...

A customer enters the front door of a cannabis retailer in New York. Cannabis retailers say it's hard to sell flower with less than 20% THCa, the form of tetrahydrocannabinol that becomes psychoactive ...

Two cannabis testing laboratories on Tuesday debuted a new program to standardize protocols for testing the purity and potency of marijuana products. The new standardization program, dubbed Trust 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 ...