With multiple states legalizing marijuana, government agencies are scrambling to research the effect of the drug on drivers. CNN recently took a look at operating a motor vehicle under the influence of pot by subjecting three users in Washington state to a little driving test with the help of a local sheriff's department.
The results are a little surprising, with even casual smokers able to safely operate a car with up to five times the state's new legal limit in their blood stream. At worst, the smokers were actually more cautious on the course than they were before partaking.
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