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6/26/17 (NHTSA): Impact of the Legalization and Decriminalization of Marijuana on the DWI SystemThis comprehensive study completed by the Governor’s Highway Safety Administration (GHSA) in conjunction with the National Highway Traffic Safety Administration (NHTSA) examined marijuana laws and trends in states that have legalized marijuana, whether for medical or recreational uses, or both.  The study focuses on states including Arizona, California, Colorado, Montana, Oregon, Vermont, and Washington.         http://www.ghsa.org/sites/default/files/2017-06/ncrep_062617.pdf

 

 

Description: marijuana tweens

A new study recently released by Pediatrics, reports “Tweens” who think marijuana is acceptable, may be more likely to drive drunk or ride with a driver who has been drinking by the time they reach high school.    http://www.anellixavier.com/dui-foundation/marijuana-drinking-driving-and-tweens

 

 

 

 

OPEN LETTER TO STATES CONSIDERING MARIJUANA LEGALIZATION

By Ed Wood
 

Those who say that Colorado’s “experiment” in legalizing marijuana proves it can be done safely with proper regulation don’t realize that in an experiment, one must control input variables and measure outcomes. Colorado does neither, so its dalliance with legalization cannot properly be termed an experiment. Although it regulates retail and “medical” cannabis stores, the July 9th Department of Revenue report shows that less than one-half of Colorado’s estimated 160 metric ton annual consumption of marijuana comes from regulated stores. Potency, purity or consumption of edibles, hash oil or other concentrates are not regulated. And measuring outcomes? The only outcome that is measured by the state is tax revenue, which is falling short of projections.

Driving under the influence of drugs, including marijuana, has never been measured by Colorado. Like most states, Colorado has a single statute number for DUI, whether it be caused by alcohol, drugs, or a combination of the two. There is simply no mechanism to track drug impairment, much less marijuana impairment on a statewide basis.

Recognizing that problem, this year the Colorado State Patrol began a manual collection of DUI-marijuana data, based upon officer’s beliefs about the cause of observed impairment. In six months, they wrote 349 citations for DUI where marijuana was believed to be a cause of impairment. Since the State Patrol issues less than 20% of the state’s DUI citations, one might infer a DUI-marijuana prevalence of 3,500 annually.

Unfortunately, there are few tools available to detect and/or measure DUI-marijuana, so the estimate of 3,500 is likely understated. Unlike alcohol’s impairment that is predominantly a physical impairment, marijuana’s impairment is predominantly mental. Less than 2% of Colorado’s officers are trained to recognize, document and testify to DUID based on symptoms unique to drug impairment. Standardized roadside tests designed to confirm alcohol impairment are only marginally successful identifying drug impairment, especially for chronic users.

For many reasons, blood tests that are so useful to confirm alcohol impairment are nearly useless to confirm marijuana impairment. Drugs or alcohol never impair blood, urine, or oral fluids. Only the brain is impaired. Blood testing is a surrogate for testing what’s in the brain. For alcohol, it’s a good surrogate; for drugs, much less so. There are three reasons for this:

  1. The blood-brain barrier is more effective in slowing the transit of high molecular weight drugs than it is for low molecular weight alcohol,

  2. Individual responses to marijuana’s impairing THC are less predictable than responses to alcohol, and

  3. The average 2 hour time between a crash and a blood draw allows THC in the blood from smoked marijuana to decline by 90% or more, frequently below the limits of detection, even for someone who was smoking at the time of the crash.

Marijuana may be judged safer than alcohol because no one has died from taking marijuana. By that measure, it’s also safer than the bubble gum that choked Michael Jones to death. But it’s still not safe. And no one believes it’s safer than bubble gum. Marijuana causes driving impairment, and it causes deaths such as Tanya and Adrian Guevarra, killed by a driver who confessed to driving under the influence of marijuana after testing positive for 4 ng/ml of Delta 9 THC.

Pot proponents ask to have marijuana regulated like alcohol. But it’s not like alcohol. They could ask to have it regulated like bubble gum. But that doesn’t make it bubble gum, either.

Ed Wood

Ed Wood’s son, was killed by a driver driving under the influence of marijuana. Check out his website

www.duidvictimvoices.org

Reprinted with permission

Also read this excellent article from the Minnesota Department of Health titled                                             Marijuana and Impaired Driving

http://www.health.state.mn.us/divs/hpcd/chp/cdrr/alcohol/alcpdf/MarijuanaandImpairedDriving.pdf