The White House Returns to Stoking Fears About Potent Pot

By Bruce Mirken, AlterNet. Posted June 13, 2008.

In what is becoming a nearly annual ritual, on June 12 the White House Office of National Drug Control Policy released yet another report filled with dire warnings about rising marijuana potency. And the U.S. media -- led by the Associated Press, by far the nation's most powerful wire service -- once again mistakenly treated the story as if it was actual news.

AP's story, picked up by newspapers and TV and radio stations all over the country, began, "Marijuana potency increased last year to the highest level in more than 30 years, posing greater health risks to people who may view the drug as harmless, according to a report released Thursday by the White House."

One had to read six paragraphs into the story to get the first hint of a dissenting view, voiced by Dr. Mitch Earleywine, author of the book, Understanding Marijuana. Earleywine, a substance abuse researcher and psychology professor at the Albany campus of the State University of New York, noted that marijuana smokers simply smoke less when the product is more potent, just as drinkers imbibe smaller quantities of bourbon or vodka than they do of beer. Since the only serious proven harm from marijuana use consists of coughing and other respiratory symptoms caused by inhalation of smoke, higher potency marijuana is arguably healthier, since smoke intake is reduced.

But the AP story -- and most other coverage -- was dominated by dark suggestions of the dire consequences of this new "potent pot." ONDCP chief John Walters warned of the "serious implications" of increased potency, saying, "Today's report makes it more important than ever that we get past outdated, anachronistic views of marijuana."

And Nora Volkow, head of the National Institute on Drug Abuse, added, "Particularly worrisome is the possibility that the more potent THC might be more effective at triggering the changes in the brain that can lead to addiction."

The operative word in Volkow's statement is "might." The claim that higher-potency marijuana means greater risk of addiction is entirely speculative, supported by precisely zero data. That, too, was pointed out by Earleywine, but in a comment buried at the very end of the story.

And not acknowledged anywhere, either by AP or most other news outlets, is the very large body of evidence suggesting that the whole "it's not your father's marijuana" scare story is phony. To understand why, a bit of context -- almost never provided by U.S. mass media -- is necessary.

First, the average potency level of 9.6 percent THC that has ONDCP so alarmed (and which overstates the potency of most domestic marijuana, which is around 5 percent) is actually low by world standards. As reported in the new edition of The Science of Marijuana, by Oxford University pharmacologist Dr. Leslie Iversen, the average THC content of seized marijuana products in Britain from 1998 to 2005 ranged from 10.5 percent to 14.2 percent. In the Netherlands, where marijuana is available by prescription through conventional pharmacies, the minimum permissible THC content set in government standards for medical cannabis (except for one special variety developed specifically to be high in cannabinoids other than THC) is 13 percent.

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Bruce Mirken is communications director for the Marijuana Policy Project.

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