“After a long and surprisingly brutal review process, it’s out,” says John McPartland, attaching a new paper on affinity and efficacy studies of THCA at the cannabinoid receptors. It was published in the journal Cannabis and Cannabinoid Research.

We’ll have more on the study by McPartland et al. They conclude that THCA’s “clinical usefulness, and its amenity to pharmacological analysis, may be hampered by its instability.”

If I’m reading it right, effects of THCA may be from THC.