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Cannabis Made Me Do It?
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Cannabis Made Me Do It?

When Psych Ward Graphs Become National Policy—Without the Fine Print

Ben Caplan, MD's avatar
Ben Caplan, MD
Jun 02, 2025
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A new study, called “Changes in psychosis-related emergency department and hospitalization rates among youth following cannabis legalization in Colorado” says cannabis-related psychosis hospitalizations in Colorado went up fivefold after legalization. That sounds terrifying. But what if I told you the panic wasn’t about cannabis—it was about how badly we misunderstand what these hospitalizations actually mean?

This post is for everyone who’s heard the scary headline but sensed something was missing. Spoiler: you’re right. Let’s talk about what’s really going on behind the numbers.

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