Cannabis Potency Labels Changed Few Health Perceptions in a College Survey Experiment
Changing a product description is not the same as changing a person's drug exposure. Two experiments involving college students tested health perceptions of different THC/CBD descriptions, not the biological safety of those products.
Participants evaluated described products
The research included 2,047 young adults across separate flower and edible experiments. Participants were randomly assigned descriptions of THC-dominant, CBD-dominant or equal THC/CBD products and answered questions about perceived benefits, risks and willingness to use or purchase.
Most comparisons were nonsignificant
For flower, the CBD-dominant description produced a modest difference in an overall health judgment. The abstract reports no other significant effects for the stated benefit, risk, purchase or use comparisons. The pattern was not moderated by reported cannabis use status or tolerance.
Perception is the endpoint
These findings describe how participants interpreted the information presented. They do not show that different formulations have equivalent pharmacology or health consequences. A nonsignificant survey comparison cannot erase known differences between dose, route, timing or cannabinoid composition.
For communication, the study suggests that simply naming THC and CBD proportions may not reliably produce sharply differentiated judgments in this population. Whether a label is understood must be assessed separately from whether its contents are accurately measured. The selected college-student sample and hypothetical product decisions also limit conclusions about older adults, patients and real purchasing behavior. An opinion about safety should remain separate from clinical evidence of safety.
Related: interpreting cannabis tolerance claims.
Research cited
Magnan RE; Ladd BO; Pearson MR; Addictions Research Team. Perceived effects of delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD) content on cannabis-related health risks and benefits. Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors (2026). doi:10.1037/adb0001159. Findings discussed from the study abstract.
