Distorted Science: Does CBD Change to THC in the Stomach, and Who Benefits By Claiming It Does?


Photo Credit: Clarissa A. Leon, Photographer — Creative Commons

In 2016, a new journal Cannabis and Cannabinoid Research published a paper suggesting that non-psychoactive cannabidiol (CBD) converts to psychoactive tetrahydrocannabinol (THC) in the stomach. The controversial paper was coauthored by several scientists employed by Zynerba Pharmaceuticals in Devin, Pennsylvania. It was not the first time that researchers addressed this issue.

In considering whether CBD converts to THC in the stomach, there are three major kinds of data that scientists examine: