The study will delve deeper into how being stoned affects one’s ability to drive. Right now, many states with legalization have stoned driving laws that specify an amount of THC that is allowed in the bloodstream. Colorado‘s limit, for example, is 5 nanograms of THC per milliliter of blood — the problem with that standard, however, is that it’s not a true reflection of intoxication.

Stoned-Driving Study Launching in Colorado; Subjects Wanted