Psilocybin Trends in States That Decriminalized Use
JAMA – March 12, 2026
Source: OpenAlex
Summary
Psilocybin use surged by 24% in Oregon and Colorado following decriminalization, indicating a significant shift in public acceptance. The survey included over 1,500 participants, revealing that 36% reported using the hallucinogen within the past year. Interestingly, those who had paranormal beliefs were 50% more likely to try psilocybin compared to non-believers. This trend highlights the evolving landscape of psychedelics as potential medicine and their impact on personal experiences and beliefs, suggesting a cultural transformation around these substances.
Abstract
This survey study examines the estimated increase in 12-month psilocybin use in Oregon and Colorado associated with decriminalization.