Dr. Donald Land is a tenured professor at the University of California, Davis, and chief scientific consultant at Steep Hill Labs, a leading cannabis science and technology firm.
While police are trying out potential tools, no device currently on the market has been shown to quickly provide a precise measurement of a driver's marijuana intoxication as effectively as a breathalyzer gauges alcohol intoxication
Stress contributes to a state of anxiety by prompting the production of a natural cannabinoid that disrupts the regulation of the amygdala, the emotional center of the brain, according to the study