Drugged Driving on the Increase

Published 06/24 2014 01:36PM

Updated 06/24 2014 01:53PM

A new study finds fewer fatal car crashes involving people driving under the influence, but the nature of those DUIs is changing. Researchers say more drivers are testing positive for prescription drugs, marijuana, and multiple drugs, and they're more likely to be older than 50.

A study at the University of Nebraska looked at American drivers involved in fatal crashes between 1993 and 2010, who tested positive for drugs. Researchers found the percentage of drugged drivers, with 3 or more drugs in their system, nearly doubled in that time period to 21.5  percent.

They also saw  more people using drugs and alcohol together. About 70 percent of drivers who tested positive for cocaine had also been drinking alcohol, and almost 55 percent of drivers, who tested positive for pot, also had alcohol in their systems.

Almost 60 percent of marijuana-only users were younger than 30 years old, and 39 percent of prescription users were 50 years old or older.

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