A clinical trial for MDMA-assisted therapy showed promising results. But participants who say they suffered afterward allege their experiences aren’t reflected in the data.

This episode was reported and produced by Haleema Shah, engineered by Andrea Kristinsdottir and Rob Byers, and hosted by Sean Rameswaram. It was edited by Lissa Soep and Matt Collette, who also fact-checked. It’s the final episode in a series supported with a grant from the Ferriss–UC Berkeley Psychedelic Journalism Fellowship.

Transcript at vox.com/today-explained-podcast

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