Regulators Knew This Marijuana Product Was Harming People. It Stayed on Shelves for More Than a Year.

Reporting Highlights Not an Anomaly: In the cases we reviewed, Colorado marijuana regulators took over seven months, on average, to warn the public after receiving a complaint or starting an investigation. Open Loopholes: Colorado lacks measures adopted in many other marijuana markets to improve testing procedures that prevent contaminated marijuana from going to stores. Multiple Chances: Even when the state discovers problems with a product that’s in dispensaries, manufacturers say they often continue selling the product while challenging the findings. These highlights were written by the reporters and editors who worked on this story. In March 2022, Colorado public health officials started getting startling reports of liver damage tied to a new marijuana-based sleep aid that had quickly