In 2020, roughly 56% of Oregon voters approved Measure 109, which allowed for the manufacture and controlled, therapeutic use of psilocybin at licensed facilities for those over 21. But the measure allowed counties and cities to vote to opt out, resulting in a patchwork of regulations across the state.

Oregon became first in the nation to legalize the therapeutic use of psilocybin, the compound found in psychedelic mushrooms. But four years later, voters in a growing list of its cities have banned the substance. (AP Video by Claire Rush, Manuel Valdes ...

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