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.

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 ...

Sergio Ramirez, a scientist at Golden State Collective Cannabis Laboratories, demonstrates how the new lab tests the qualities of medical marijuana. (photo by Daniel Archuleta) EASTSIDE — When a ...