This 3-part series explores driving under the influence of cannabis.
Dr. Igor Grant, UC San Diego, addresses laws like Utah, that assume guilt if 5 nanograms of THC metabolite are in a driver’s blood stream- “In my view, it’s premature to use these per se limits.”
#MMJ #TRUCE #UtahNext    

See full article – Driving Stoned: How Much Is Too Much?