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New Study: Marijuana Does Not Cause Psychosis, Lung Damage, or Skin Cancer

I've performed a meta-analysis of various scare stories about marijuana appearing in major papers this week. The results of my research are as follows:

Hypothesis:

Alarmist reports about marijuana will turn out to be wildly exaggerated and in some cases completely fictitious. Obvious inconsistencies will be overlooked by the press and widely available contrary evidence will be ignored.

Methodology:

I read various stories about marijuana and used basic logic and reasoning to determine whether their conclusions made any sense. In some cases, I used Google and other sources to search for other information that contradicted seemingly dubious claims.

Findings:

Marijuana Increases the Risk of Psychosis by 40%
: This one turned out to be totally wrong. Apparently a correlation between marijuana use and psychosis doesn't necessarily mean that marijuana caused the psychosis. Many of the researchers made this clear in their findings, but reporters left it out. Furthermore, none of the stories on this topic explained that the risk of psychosis is small, so a 40% increase isn't that significant to begin with. Reporters also failed to observe that massive increases in marijuana use over the past century have not corresponded with increased rates of psychosis.

Smoking a Joint is as Bad For Your Lungs as 5 Cigarettes: This report also turned out to be almost entirely bogus. Shockingly, "air flow" was the only category (of several) in which marijuana was determined to be more harmful. Researchers stated that marijuana was 2.5 to 5 times more harmful than tobacco in this category, which reporters simply rounded up to 5 for the headline (behold the lofty journalistic standards of Reuters). Reporters also failed to mention conclusive research proving that marijuana does not cause lung cancer; a notable omission since "bad for your lungs" likely implies cancer for many readers. Finally, media reports failed to explain that marijuana users consume far less per day, and do not continue using for nearly as many years as tobacco smokers.

Marijuana May Cause Skin Cancer: I don't know anything about skin cancer, so I won't attempt to refute the findings of this Harvard study. The manner in which it was reported, however, leaves much to be desired. The FOX News headline reads "Study: Marijuana Use May Cause Skin Cancer." Only upon reading the article does the reader discover that only one extremely rare form of skin cancer has been associated with marijuana, and that the researchers claim that more research is needed. Furthermore, only people with weakened immune systems are even susceptible to this infection. A more appropriate headline would have been "Study: Marijuana May Cause Skin Cancer Under Very Rare Circumstances."

Conclusions:

Reading coverage of marijuana research in the mainstream press increases the risk of becoming misinformed by 50-300%. More research is clearly needed to identify further sources of flawed marijuana reporting. The risk of bad reporting remains stable despite concerted efforts to inform the media that hysterical claims about marijuana frequently lack scientific merit. Exposure to poorly researched news about marijuana is correlated with support for costly, ineffective, highly punitive marijuana laws.

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Why Rep. John Hall (D-NY) voted against Hinchey-Rohrabacher...liberal fear of federalism

Today I called the Washington office of my congressman, John Hall. I have vigorously supported him in the 2006 election against a Bush rubber stamp Sue Kelly. He was seemed to be a progressive democrat (indeed he joined the progressive caucus after entering office). However, he voted against Hinchey-Rohrabacher, refusing the step to stop DEA from raiding the dispensaries.
In The Trenches

UK: Petition the Prime Minister to Allow Private-Member Cannabis Social Clubs for Adults

Click here (http://petitions.pm.gov.uk/CannabisSocClubs/) for the Legalise Cannabis Alliance's (http://www.lca-uk.org) petition to the British Prime Minister to allow private-member Cannabis Social Clubs for adults. The petition simply states "We the undersigned petition the Prime Minister to allow local authorities the power to license legal private-member Cannabis Social Clubs for adults." The Legalise Cannabis Alliance adds: CANNABIS SOCIAL CLUBS: A HEALTHY OPTION In most countries, adults can go to a shop or bar when they want to buy alcohol or consume, or they can brew their own. There should be a system for production and distribution of cannabis that will cause less problems and lower policing costs. There should be a place where cannabis can be enjoyed in a responsible way, where it is away from minors, hard drugs, and where the consumers are safe. CSC's are associations of citizens who want to cultivate a limited amount of cannabis to satisfy their personal needs legally. Health and safety conditions of a CSC should be monitored during the entire process - from cultivation to consumption. This would stop the use of adulterants used in the illegal market all with their own risks. Cultivation would take place in accordance with safety rules. This would reduce problems such as fire risk and theft of electricity. Membership of the clubs would be limited to adults, so these clubs are a way to reduce the availability of cannabis to minors. This proposal is a harm reduction measure.
In The Trenches

ASA’s Media Summary for the Week Ending 7/27/07

FEDERAL: More Intimidation Aimed at LA’s Politicians and Patients FEDERAL: Congress Gets Two Votes Closer to Stopping DEA Raids CALIFORNIA: Kern County Patients Struggle with Access CALIFORNIA: Claremont Endorses Dispensaries NEW MEXICO: Medical Marijuana Program Gets Started CANADA: Patients Still Insist on Growing Their Own IN MEMORIAM: Reform Advocate Virginia Resner Dies ____________________________________________ FEDERAL: More Intimidation Aimed at LA’s Politicians and Patients Another set of coordinated DEA raids on medical marijuana dispensaries in Los Angeles proved again that federal action on the issue is less about law enforcement than it is politics. And it wasn’t just that the ten simultaneous raids came close on the heels of intimidating letters sent to at least 150 landlords renting to patient cooperatives, it was the day chosen. At the very moment federal agents were kicking down doors and detaining patients, two important political actions were in progress. The Los Angeles City Council was taking action on establishing regulatory ordinances for the operation of the dispensaries, and the US House was considering for the fifth year an amendment to stop funding for DEA raids on patients. Not only did LA -- under the leadership of councilman Dennis Zine, a former LAPD officer -- take a step toward regulation, it added a resolution urging Congress to stop federal interference in this local public health issue. Unfortunately, Congressional leadership failed to put their weight behind the bipartisan Hinchey-Rohrabacher Amendment, but it came two votes closer to passage than it did last year. ASA emergency response to the raids turned out hundreds of protesters within two hours, helping generate intense media coverage and, more importantly, secure the release of dispensary employees being held by the DEA. DEA raids 10 pot shops by Steve Hymon, Los Angeles Times The gap between state and federal drug laws became apparent again Wednesday when federal agents raided 10 local medical marijuana facilities only minutes after the Los Angeles City Council placed a moratorium on new facilities so rules could be drafted to better regulate them. DEA raids LA medical marijuana clinics by Andrew Glazer, Associated Press Federal agents raided 10 marijuana clinics Wednesday, the same day city leaders introduced a measure calling for an end to the crackdown on the dispensaries allowed under state law. DEA serves 10 warrants in LA medical marijuana crackdown Associated Press The U.S. Drug Enforcement Administration served search warrants at 10 different locations throughout Los Angeles County in connection with its crackdown on medical marijuana facilities. DEA targets landlords in pot battle by William M. Welch, USA Today The U.S. Justice Department is unleashing a potent new weapon in its battle against California’s hundreds of medical pot clinics, threatening landlords with arrest and property seizures for renting to tenants who flout federal drug laws. Humboldt County ASA to hold protest Eureka reporter (CA) The Humboldt County chapter of Americans for Safe Access will hold a protest on the front lawn of Arcata City Hall tonight at 5, according to a news release from ASA. The demonstration will be held in response to raids conducted Wednesday by the Drug Enforcement Administration against medical marijuana dispensaries in the Los Angeles area. Medical pot stores' profits questioned by Dan Abendschein, Whittier Daily News (CA) The recent busts of medical marijuana dispensaries have raised questions about the revenue the operations collect. "A business grossing the kind of numbers released by the DEA is not making that much money," said Chris Fusco of the Americans for Safe Access organization. "Both the federal and state governments need to give clear guidelines so there is no confusion for dispensary operators."
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... and Another Letter from a Medical Marijuana Patient

Another patient story posted on the comment boards:
Six years ago I was literally struck down with Fibromyalgia. I simply couldn't get out of bed one morning. I crawled versus walking most of the time as it was less painful. My husband had to lift me onto the toilet, give me baths, cook, etc., because I was of no use to anyone, including myself. I also had no appetite whatsoever. I lost 20 pounds in a matter of weeks, leaving me a frail 100 lb 50 year old. My husband thought maybe marijuana might help with my appetite, so he "scored" some for me. It not only restored my appetite, it also took a lot of my pain away. It makes me sick to think we both could have been arrested. When is this country going to wake up?!!
As before, good question.