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New study casts doubt on “cannabis-induced psychosis” claims, pot doesn’t cause schizophrenia | The NORML Stash Blog

I am the producer of The NORML Network, the host of the NORML SHOW LIVE and The NORML Stash Blog, and NORML's Outreach Coordinator. I'm married, live in Portland, Oregon, and I am a registered medical marijuana caregiver in this state. I've worked days as an IT geek and nights as a professional musician. Previously, I have been the host of my own political talk radio show on satellite radio. I've been the High Times "Freedom Fighter of the Month" and I travel across the country to educate people on marijuana reform. I've dedicated my life to bringing an end to adult marijuana prohibition and re-legalizing cannabis hemp, and I'm honored to be chosen by NORML to give voice to the Marijuana Nation and to speak for those who can't speak up.


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25 responses to “New study casts doubt on “cannabis-induced psychosis” claims, pot doesn’t cause schizophrenia”

  1. Intelligence

    I don’t usually comment on these types of things, and I realize this is pretty old…but I had to point out that what “Against” is speaking about with the “psychotic episode” would be considered a bad trip…marijuana is a psychadelic after all, and what are psychadelics famous for in general media? Bad trips and making people go crazy. If you had a bad experience on marijuana or any other psychadelic, its because you weren’t ready for it mentally. Your location/setting/mood etc effect most other and stronger psychadelics much more, but marijuana is still a psychadelic, you can be more careless with it than say, LSD, but it still needs to be used with respect. You also have to remember that with increased dosage comes increased effects, if you get to much of the substance in your system, even if you can generally handle it mentally, such a high dose could cause very adverse effects. This is very evident with stronger psychadelics such as LSD/mescaline/shrooms but again, marijuana is simply a rather weak psychadelic in comparison. It has even been said that the effects of THC are similar to that of extremely low doses of LSD, so remember that before you blame the “drug” for causing adverse mental effects. I’d also like to say that “Against” was wrong in saying marijuana causes cancer, its actually been proven that when THC binds to cannabinoid receptors it causes your brain to send signals for any mutated cells which grow exponentially faster (cancer) to go into autophagy, or basically cell suicide. Lastly I’d like to close this by saying that I am a very heavy user of marijuana, and it has had nothing but positive effects on my life. I’ve had such bad experiences with it, and let me just say those “bad trips” are the same as a “bad trip” on any other psychadelic, just not as intense. I’ve been also diagnosed as schizophrenic (paranoid schizophrenia to be exact) yet marijuana only helps me to deal with it. I also hope that it becomes apparent that marijuana will not cause you to “become stupid” or have brain damage or whatever else there may be claims of, due to the articulate and coherent manner in which I was able to type this entire post while under the influence of a rather large amount of high grade hydroponic marijuana.

  2. Does marijuana cause schizophrenia? - Grasscity.com Forums

    [...] Re: Does marijuana cause schizophrenia? if you're predisposed mentally or gentically to get it, cannabis can alter the symptoms. the answer is no. New study casts doubt on [...]

  3. coltov mocktail

    oh and btw:

    there are many and varied ideas about schizophrenia. hardly the most extreme come those like r.d. laing who would view the condition (it would seem to me) as some sort of social construct rather than a medical disease.

    some traits associated with the practice of shamanism are thought to be analogous to schizophrenia. Shamanistic practices have historically used certain plants to induce an altered consciousness.

    The choice to make these explorations is best left to the individual to make rather than those who would seek to control them.

  4. Drug vs herb - Page 2 - Grasscity.com Forums

    [...] Originally Posted by AlexanderT Weed is a drug. A drug that can cause cancer, bring out Schitzophrenia in people who may have avoided it had they not smoked, maybe induce depression, cause anxiety in some. Weed even ruined peoples lives. Some people haven't been raised with a good foundation of self control and become ADDICTED, and can't quit. Some people become more and more anti social and develope social anxiety disorder or things like that. I really cant stand when people act like its flawless. For me, Cannabis is a sacrament. For others its a big problem. What I bolded is absolutely false. Using cannabis, if you are predisposed to getting schizophrenia (meaning that you would get it regardless) may accelerate the onset and exacerbate the symptoms. Those predisposed to it would still get it whether they ever smoked or not. New study casts doubt on [...]

  5. coltov mocktail

    I am I am petrified of marijuana’s inevitable legality.

    Tax base control rests on instilling the notion that an oppressive hierarchy is a social necessity due to humanity’s unrelenting greed, jealousy and possessiveness. Many of the world’s natural resources have been overrun and poisoned by the rapaciousness of this paradigm. Once invested, it is satisfied with nothing less than total domination and complete homogeneity. However, because there are still diverse belief systems that stand against it in isolated geographic pockets, only the propaganda of peer pressure and media imagery can prevent widespread social mutiny. This mental campaign that imprisons modern society in misery is threatened by marijuana. The use of marijuana firstly is a stand for personal freedom and secondly effects to question basic participation in the cruelty that masquerades as mainstream success.

    So why be frightened if it’s legalized? Because if those controlling demonic evil no longer fear marijuana, it is because they have managed to physically eliminate alternatives and find mental control quaint, but unessential. Real bars will be erected before mental freedom will be encouraged.

    Legalization may come, but not before the freedom that marijuana represents is no longer a threat.

  6. Poppastrano

    Hey men,no offense or anyting,but I dont think your at the position whether you can determine if Marijuana should be legal or not.I mean you have already have a mentall illness.Dont think im a supporter of Canabis,but Marijuana has difrent afects in diffrent people.

  7. Brian Kerr

    Funny some schizophrenics are helped with the use of Cannabis, some it has no effect and some it has a negitave effect.

    Cannabis for me has had nothing but positive results in my life. Now that I vaporize weed, I don’t have the negitive aspect of the smoke entering my lungs and I don’t spit up black crap from my lungs any more and it is twice efficient to vaporize than to smoke it. So now every time I buy a bag of weed it is like buying 2 bags of weed. My vaporizer payed fot its self with the first OZ of weed purchased.

    Cannabis induced schizophrenia. Another prohibitionist argument bits the dust.

  8. Against

    I understand your point of view and it is valid. It gives me a different way to look at it. Thank you.

  9. M in Oregon

    I should also say that I am sorry that cannabis had a deliterious effect for your psychological condition, and that in a regulated market this would have been less likely to have happened to you. I certainly don’t view you or anyone else with mental illness as any less deserving of happiness, success, and health than those who DO benefit from cannabis as a medicine, or a recreational drug.

    The unregulated market is what funds the gangs and the cartels, and keeps this multi-billion dollar subset of our economy from providing benefit to all through taxation similar to what alcohol and tobacco, whether or not they personally choose to use cannabis.

    This doesn’t even count the costs of conducting a totally ineffective multi-billion dollar a year campaign against the personal, recreational/medicinal use of non-pharmaceutical, non-alcoholic, tobacco free drugs by responsible adults, or the costs of housing all of those prosecuted and convicted in our prisons, or supporting their dependents through increased ue of social services.

    I hope that you continue to have success in living with your condition, and that you are someday able to see that legalization will be best for all of us, whether we use cannabis or not.

  10. Against

    Fair enough. I wouldn’t use it again no matter what. I was just pointing out that for some people the first time, or first few times they use marijuana that it can cause a psychotic/schitzophrenic episode and this may not occur if it wasn’t so readily available. If it does become legal hopefully those people will not continue to use it. Me being amongst that group of people, I can’t imagine they would want to.

  11. M in Oregon

    So what you are saying here is that YOU, should not use cannabis as an intoxicant/euphorant.

    That is all that your case, or any other of “pot induced schizophrenia” says… period.

    Just because it can be legalized and regulated does not mean that you, or anyone else, would be forced to use it.

    In fact, under a properly regulated distribution system, your medicinal/recreational cannabis seller would likely have to give you, as a purchaser/user, information regarding all possible primary and side effects, including contra-indications for conditions such as yours.

    It’s a fact, my kids, and yours, all of us, would be FAR safer under legal regulation than we are now under the unregulated free for all of the black market.

    Alcohol causes plenty of psychological problems for plenty more people than cannabis, not to mention being liver toxic and generally detrimental to health in large doses, yet it is legal and regulated.

    So why can’t you trust adults, given valid and factual information, to make their own decisions regarding what substances they imbibe?

    Could it be that under legalization you might not be able to trust YOURSELF to “Stay off the GRASS”?

  12. Against

    So to try to explain to those who do not know about cannabis induced psychosis. I will explain from personal experience to anyone who will listen. I do have a mental illness, bipolar disorder not schizophrenia, that was diagnosed BEFORE I ever experimented with marijuana. When I was under the influence of marijuana I had a VERY sevier psychotic episode that was extremely dangerous. It was the most horrible thing I have ever experienced. I have never felt that way in my life and I just wanted it to be over. Like I said it is a very dangerous state for someone to be in, it is probably a schizophrenic or psychotic state of mind. This is the main reason it should NOT be legalized for recreational use. The studies are done by SCIENTISTS and they are real. Just because people want something does not mean it is safe or good for it to be easy access for everyone. The legalization of marijuana could lead to unsatisfactory outcomes. I do lead a normal and productive life with my mental illness that was diagnosed 12 years ago. Not everyone with mental illness just shrivels into a pile worthless matter.

  13. find me some info/a study that suggests marijuana does NOT lead to mental illness? - Grasscity.com Forums

    [...] whether or not they used cannabis,? Arendt explained in comments to Reuters Health. New study casts doubt on “cannabis-induced psychosis” claims, pot doesn’t cause sc… __________________ "We are thinking clearly, yet not thinking at all…" Have a [...]

  14. weed and schizophrenia - Grasscity.com Forums

    [...] exacerbate the symptoms, but there is no causal relationship between cannabis and schizophrenia. New study casts doubt on "cannabis induced psychosis" claims, pot doesn’t cause schizophre… __________________ stay stoned Thinking of trying DXM? Read [...]

  15. schizophrenia?! - Grasscity.com Forums

    [...] you should get yourself to a doctor. GC isn’t really the best place to ask for medical advice. NORML- New study casts doubt on cannabis induced psychosis claims __________________ stay stoned Last edited by stoner_lukas; 03-15-2009 at 10:49 [...]

  16. Joe

    Pot actually did these people a favor. Now they now they’re at risk for developing schizophrenia. They have time to re-adjust their life and priorities, as well as themselves become activists for helping research into schizophrenia.

  17. The Daily hot babes on the planet,Hot sizzling entertainment » Blog Archive » Sanjay Gupta: What Does the Next Surgeon General Know About Pot?

    [...] I hope that the next surgeon general has been following the research on cannabis and mental health since 2002. This year, Dr. Mikkel Arendt of Aarhus University in Risskov, Denmark, said that people treated for a so-called cannabis-induced psychosis “…would have developed schizophrenia whether or not they used cannabis.” [...]

  18. F-Listed » Archive Sanjay Gupta: What the Next Surgeon General Doesn’t Know About Pot «

    [...] I hope that the next surgeon general has been following the research on cannabis and mental health since 2002. This year, Dr. Mikkel Arendt of Aarhus University in Risskov, Denmark, said that people treated for a so-called cannabis-induced psychosis “…would have developed schizophrenia whether or not they used cannabis.” [...]

  19. ippimail.com » Blog Archive » Sue Blackmore: The reclassification of cannabis is illogical and unworkable

    [...] to schizophrenia may be more likely to smoke cannabis or to find it helpful). Some research even suggests that there is no link and that people diagnosed with “cannabis-induced psychosis” would have developed the [...]

  20. DC : Sanjay Gupta: What the Next Surgeon General Doesn't Know About Pot - Marijuana.com

    [...] in Risskov, Denmark, said that people treated for a so-called cannabis-induced psychosis "?would have developed schizophrenia whether or not they used cannabis." I hope that Gupta has kept up with the journal Schizophrenia Research and the research [...]

  21. Should The Next Surgeon General Have A Weird Animal Penis Fetish? « BuelahMan’s Redstate Revolt

    [...] I hope that the next surgeon general has been following the research on cannabis and mental health since 2002. This year, Dr. Mikkel Arendt of Aarhus University in Risskov, Denmark, said that people treated for a so-called cannabis-induced psychosis “…would have developed schizophrenia whether or not they used cannabis.” [...]

  22. What Sanjay Gupta normination tells us about Obama's plans on the War on Drugs - Dedicated to Cannabis Education, Recreational. Medicinal, and Cultivation.

    [...] in Risskov, Denmark, said that people treated for a so-called cannabis-induced psychosis "?would have developed schizophrenia whether or not they used cannabis." I hope that Gupta has kept up with the journal Schizophrenia Research and the research [...]

  23. Sanjay Gupta: What the Next Surgeon General Doesn’t Know About Pot | Document Dump .com | Steal This Blog

    [...] I hope that the next surgeon general has been following the research on cannabis and mental health since 2002. This year, Dr. Mikkel Arendt of Aarhus University in Risskov, Denmark, said that people treated for a so-called cannabis-induced psychosis “…would have developed schizophrenia whether or not they used cannabis.” [...]

  24. adam

    I don’t know about these Grasscity Forums.
    Reciently I joined their forum and was banned the same day.
    I posted a few things promoting the Change.gov voteing. I recieved a ton of replies thanking me for bringing it to their attn. others bragged that they had indeed voted some over 100 times.
    I felt I had done a good thing,I was getting the word out to more people.
    Later that day I started to recieve replies with fowl language calling me a spammer.
    Next, Banned for life.
    I sent them an e-mail explaining my side of things,mabee things will change.
    Until then I can not support Grasscity.
    JUST MY OPINION

  25. Am i being lied to? - Grasscity.com Forums

    [...] back up and I have my journal access reinstated, I’ll post the article up in it’s entirety. New study casts doubt on cannabis induced psychosis __________________ stay stoned Last edited by stoner_lukas; Today at 03:14 AM. Reason: [...]

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