A new study found that cannabis users performed normally in driving tests 24 and 48 hours after consuming the substance. The study, using a driving simulator, allowed participants to control their own cannabis consumption, which varied the THC in the blood of the subjects and ranged from zero to 42 nanograms per milliliter. See the […]
A breathalyzer able to determine if a driver smoked pot could roll out in select cities in the fall, according to a company developing the first-of-its-kind product. With recreational weed now legal in nine states and the District of Columbia, California-based Hound Labs Inc. has created a marijuana-breathalyzer it says will make roads safer and […]
Saliva testing is being pushed by a group of Michigan legislators and by the Michigan State Police. But researchers who have studied the method said results are inconsistent and misleading, especially when applied to the 100,000 plus residents who are allowed to use medical marijuana. The saliva test would add evidence needed to justify an […]