Can This Man Ever Tell The Truth?

  • by Paul Armentano, NORML Deputy Director May 20, 2008

    What do you know?  Drug Czar John Walters has been outed as a liar — again. I mean, seriously, let’s hope this guy is more honest when he’s filing his taxes than he is when he’s talking about pot. 

    The Czar’s latest reefer faux pas? According to a previous, widely distributed ONDCP press release: “Marijuana affects … many of the skills required for safe driving. … These effects can last up to 24 hours after smoking marijuana.” 

    Twenty-four hours, huh?  Well, an Israeli investigative team recently tested Walters’ claim — giving subjects high and low doses of THC and then measuring their driving performance.  Their conclusion, “No THC effects were observed after 24 hours on any of the measures.” 

    This finding is not to say that concerns regarding motorists — especially teens — driving after smoking marijuana are not without merit. For example, the study’s authors found that pot, even at low doses, impaired drivers’ ability to maintain lane position and significantly increased subjects’ reaction time.

    Intriguingly, however, the investigators reported that marijuana’s most prominent impact on driving differed dramatically from that of alcohol.

    “Average speed was the most sensitive driving performance variable affected by both THC and alcohol but with an opposite effect,” authors concluded. “In particular, subjects seemed to be aware of their impairment after THC intake and tried to compensate by driving slower; alcohol seemed to make them overly confident and caused them to drive faster than in control sessions.”

    To hear my expanded thoughts on this study, check out NORML’s 5/19/08 podcast here, or download a copy of NORML’s report, “Cannabis and Driving: A Scientific and Rational Review,” available here.

    14 Responses to “Can This Man Ever Tell The Truth?”

    1. JJ says:

      dude i ALWAYS follow the speed limit when i drive high. sometimes way under, even. not because i’m compensating consciously, i just do it. it’s great.

    2. Dafydd says:

      This is not bad advice, unlike a lot I have come across.

    3. Ixion says:

      24 hours? Where can I get what he’s smoking?

    4. Boone says:

      I think the big point here, is the fact that they wasted probably millions of dollars to tell us all that have smoked and got behind the wheel something we already knew…why not be more productive mr. drug czar and take a little bit of that wasted money and pay to have your head pulled out of your ass! I do not condone driving under the influence but come on, they are grasping at straws. then they expect us to believe it. just how dumb do they think we are?

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