The headline from the Associated Press reads “Gov’t: Drugs were in 1 in 5 drivers killed in 2009“. The lede for the story is:
About 1 in 5 drivers who were killed last year in car crashes tested positive for drugs, raising concerns about the impact of drugs on auto safety, the government reported Tuesday.
Other outlets like USA Today give it a more chilling headline “U.S.: Third of tests on motorists killed shows drug use“. The discrepancy results from the AP considering all drivers who were killed when not every driver killed was drug tested. The USA Today considers the “tests on motorists killed”, thereby discounting the roughly 40% of killed drivers who were never drug tested. Whatever – 20% of all drivers or 33% of all drivers tested – they’re dead, they drove, there’s drugs, be afraid!
The AP then follows with a second paragraph that points out the obvious logical fallacy of “correlation = causation” – just because dead drivers had drugs in their system doesn’t mean drugs caused the accident that killed them – something the USA Today article never addresses:
Researchers with the National Highway Traffic Safety Administration said the new data underscored a growing problem of people driving with drugs in their systems. But they cautioned that it was not clear that drugs caused the crashes and more research was needed to determine how certain drugs can hinder a person’s ability to drive safely.
However, while AP doesn’t get around to distinguishing what exactly “drugs” refers to until paragraph seven, USA Today opens by explaining we’re talking about all drugs, prescription and recreational:
One-third of all the drug tests done on drivers killed in motor vehicle accidents came back positive for drugs ranging from hallucinogens to prescription pain killers last year — a 5 percentage point increase since 2005, the National Highway Transportation Safety Administration reported Tuesday.
Nobody recommends driving while impaired by drugs – legal or illegal. But there are many legal prescription drugs that will cause impairment that bear the warning “Until you know how you may be affected by this drug, do not drive or operate heavy machinery,” which suggests to me that once you do know how it affects you, it’s your judgment call. In fact, one of those drugs is prescription dronabinol, the synthetic cannabinoid THC marketed as “Marinol”.
AP’s seventh paragraph also points out that presence of a drug in your system may have no bearing on whether that drug was impairing you in the first place:
The tests took into account both legal and illegal drugs, including heroin, methadone, morphine, cocaine, methamphetamine, marijuana, LSD, prescription drugs and inhalants. The amount of time the drug could linger in the body varied by drug type, the researchers said, so it was unclear when the drivers had used the drugs prior to the fatal crashes.
Cannabis metabolites can be detectable in urine for weeks and blood for days. Most illegal drugs can be detected for a few days in urine and a few hours in blood. Prescription drugs are just as varied. So we’ve got 20% or 33% of killed drivers who had a drug in their system that may or may not have contributed to the crash that killed them and they may or may not have taken that drug before driving.
For comparison’s sake, USA Today links to the stat that drowsiness was a factor in 17% of all fatal crashes. You just may be more likely to die in a crash caused by lack of a nap as by taking the pill to get a good night’s sleep. Are you scared yet? Well, you should be, because the whole point of scaring you about the drugged drivers is the push for nationwide zero-tolerance DUID laws. Back to the USA Today:
Gil Kerlikowske, director of the Office of National Drug Control Policy, called the numbers of fatalities involving drugs “alarmingly high,” and called for more states to pass laws making it a crime to have illegal drugs in the body while driving, no matter how much. Seventeen states already have such laws.
The lack of research also presents a problem for lawmakers to develop laws. They can outlaw the use of all illegal drugs while driving, but what about someone who took a prescription sleeping pill a few hours ago?
Since they can outlaw the illegal drugs and there is no political cost in doing so, they will. These “zero tolerance” laws means if they detect any metabolite of any illegal drug, you are guilty of driving impaired. Since that joint you smoked could be detectable long after its effects had worn off, you’d be an impaired driver in the eyes of the law even if you were completely sober and unimpaired. Since marijuana is detectable for much longer periods than most any other drug, legal or illegal, “zero tolerance” laws amount to witch hunts for cannabis consumers behind the wheel.
As for the prescription drugs, there isn’t much political benefit in threatening a majority of your constituents, especially the older ones who do most of the voting, with a DUI charge for the pills they’re required to take every day. Also consider the lobbying money and clout of Big Pharma that won’t look kindly on strict new driving laws that might cause people to use less pills.
No, the per se limit on prescription drugs isn’t coming to your state anytime soon… but maybe the end of driving privileges for cannabis consumers in your state. Arizona (except for medical marijuana patients), Iowa, Illinois, Indiana, Georgia, Delaware, Utah, and South Dakota already have these laws – learn what the DUID laws are in your state.
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