Impairment

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Title Article Date Tags Notes View result counter
Impacts of Alcohol and Marijuana on Driving 04/01/2016 AAA, alcohol, driving, Impairment 1
The AAA Position: Marijuana’s Effect on Driving 10/07/2016 AAA, postition statement, statement, driving, drugged driving, Impairment, car crashes, Fatalities

The AAA Foundation for Traffic Safety analyzed cannabis use by drivers in one of those states, Washington, and found that the proportion of drivers involved in fatal crashes who had recently used marijuana more than doubled after Washington legalized the drug for recreational use. In addition, there’s currently no easy way to test whether a driver is impaired by marijuana: Unlike alcohol, it can’t be determined by breath or blood tests.

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Impaired Driving And Cannabis 05/10/2016 AAA, Washington, driving, car crashes, Colorado, Impairment

Fatal crashes involving drivers who recently used marijuana doubled in Washington after the state legalized the drug. Washington was one of the first two states to legalize the recreational use of marijuana, and these findings serve as an eye-opening case study for what other states may experience with road safety after legalizing the drug. 

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Alcohol and Cannabis 03/01/2016 AAA, alcohol, Metabolism, Impairment

Alcohol and Cannabis

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Addressing Driver Impairment Difficult 03/26/2015 Colorado-0, car crashes 2, Impairment 5
2014 Marijuana Use In Colorado 01/01/2015 Colorado, usage, youth, Impairment
  • 1 in 3 users are daily users
  • Black adults in Colorado are using at almost 50% higher than the state average for adults; Hispanics have the lowest use rates
  • Low income Colorado adults are using at higher rates than the state average
  • Almost a third of 18-24 year olds are using marijuana
  • Almost a third of gay and lesbian adults are using marijuana - more than twice the state average for adults
  • Almost 1 in five reported driving after using marijuana
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Six Ways Science Says Marijuana May Hurt Your Health 06/29/2014 addiction, heart, car crashes 2, Impairment, Death, Brain 7
Smoking marijuana as a teenager lowers IQ for LIFE, scientists warn 06/07/2014 Studies, Brain, youth, Impairment, memory

The damaging effects remain even if the person stops smoking the drug
·         Teenagers are at particular risk because their brains are still developing
·         Smoking cannabis affects critical thinking and memory
·         Researchers warn that stronger varieties today are causing more damage 

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NIDA review summarizes research on marijuana’s negative health effects 06/05/2014 health, car crashes 2, Impairment, Research

The authors review literature showing that marijuana impairs driving, increasing the risk of being involved in a car accident and that these risks are further enhanced when combining marijuana with alcohol.

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Palm Bay man charged in pedestrian death 05/16/2014 Impairment, Death, DUI, pedestrians, Fatalities, car crashes

A blood sample was taken from Asker after a police investigator detected marijuana impairment.

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Hillsborough DUI - Marijuana Impairment 02/24/2014 car crashes 2, Impairment, DUI 11
Driving Under the Influence, of Marijuana 02/18/2014 DUI, Impairment, alcohol

A highway safety official in Colorado, where marijuana is legal, said that “a lot of people don’t think D.U.I. laws apply.”

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