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December 2016 Archives

Study shows designated drivers are often not sober

A study of 1,100 bar patrons performed by researchers at the University of Florida showed that 65 percent of purported designated drivers (DD) had no alcohol in their systems. While this is an encouraging statistic, the research, which appeared in the Journal of Studies on Alcohol and Drugs, also showed that more than one-third of those who were supposed to abstain in order to drive their friends home safely had been drinking themselves. Almost half of the DD group had a blood alcohol concentration (BAC) range of between 0.2 and 0.049, indicating their consumption of alcohol had been on the light side. However, 18 percent of the survey participants had a BAC of 0.05 or more-and the legal limit is 0.08.

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