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Effects of marijuana – with and without alcohol – on driving performance
posted 23/06/2015
publication NIH
Using the most sophisticated driving simulator of its kind to mirror real-life situations, new research shows that marijuana use impairs one measure of driving performance. People driving with blood concentrations of 13.1 µg/L THC – the main psychoactive ingredient in marijuana – showed increased weaving within the lane, similar to those with 0.08 breath alcohol, the threshold for impaired driving in many states.
Effects of marijuana – with and without alcohol – on driving performance
