04/09/2026
"In a separate report last year, the U.S. National Highway Traffic Safety Administration (NHTSA) said there’s “relatively little research” backing the idea that THC concentration in the blood can be used to determine impairment, again calling into question laws in several states that set “per se” limits for cannabinoid metabolites."
Federally Funded Study Reveals Ma*****na Breathalyzer Breakthrough With 3-D Printed Roadside Tool Able To Detect THC - Ma*****na Moment