A. About 4% of the American adult population report having driven under the influence of a drug other than alcohol, overwhelmingly marijuana.
B. Driving simulation studies with experienced marijuana users suggest that when people have consumed high doses of the drug, there’s an increased risk of accident.
C. People who drive within three hours of smoking marijuana are at nearly twice the risk of being in an accident compared with sober drivers, according to a new review of the research.
D. But that unlike with alcohol, users are aware of their impairment.
E. They tend to drive more cautiously, rather than with greater recklessness