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Thread: Long-term cannabis use can double risk of psychosis

  1. #1
    Lady Barronmore Arrianna has become well known Arrianna has become well known Arrianna has become well known Arrianna's Avatar
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    Long-term cannabis use can double risk of psychosis

    I get a real kick out of people who try to tell me that Marijuana is not a hallucinogenic. Enjoy reading the results of an interesting study. I am sure there will be some who want to argue with it.



    Long-term cannabis use can double risk of psychosis
    LONDON (Reuters) - Young people who smoke cannabis or marijuana for six years or more are twice as likely to have psychotic episodes, hallucinations or delusions than people who have never used the drug, scientists said on Monday.

    The findings adds weight to previous research which linked psychosis with the drug -- particularly in its most potent form as "skunk" -- and will feed the debate about the level of controls over its use.

    Despite laws against it, up to 190 million people around the world use cannabis, according to United Nations estimates, equating to about 4 percent of the adult population.

    John McGrath of the Queensland Brain Institute in Australia studied more than 3,801 men and women born between 1981 and 1984 and followed them up after 21 years to ask about their cannabis use and assessed them for psychotic episodes. Around 18 percent reported using cannabis for three or fewer years, 16 percent for four to five years and 14 percent for six or more years.

    "Compared with those who had never used cannabis, young adults who had six or more years since first use of cannabis were twice as likely to develop a non-affective psychosis (such as schizophrenia)," McGrath wrote in a study published in the Archives of General Psychiatry journal.

    They were also four times as likely to have high scores in clinical tests of delusion, he wrote, and a so-called "dose-response" relationship showed that the longer the duration since first cannabis use, the higher the risk of psychosis-related symptoms.

    A study by British scientists last year suggested that people who smoke skunk, a potent form of cannabis, are almost seven times more likely to develop psychotic illnesses such as schizophrenia than those who smoke "hash" or cannabis resin.

    Previous studies had also suggested smoking cannabis can double the risk of psychosis, but the British study was the first to look specifically at skunk. Skunk has higher amounts of the psychoactive ingredient THC which can produce psychotic symptoms such as hallucinations, delusions and paranoia.

    McGrath said, however, that "the nature of the relationship between psychosis and cannabis use is by no means simple" and more research was needed to examine the mechanisms at work.

    As part of his study, McGrath and his team looked at links between cannabis use and psychotic symptoms among a group of 228 sibling pairs and found the association still held. This suggests other influences like genes or the environment were less likely to be responsible for the psychosis, they said.

    A international group of drug policy experts published a book earlier this year arguing that laws against cannabis have failed to cut its use but instead led to vast numbers of arrests for drug possession in countries like Britain, Switzerland and the United States, which cause social division and pointless government expense.

    (Editing by Myra MacDonald)

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    Banned aceman67 has become well known aceman67 has become well known aceman67 has become well known aceman67's Avatar
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    Re: Long-term cannabis use can double risk of psychosis

    in all the debates we've had on AO over this, I've never said that it can't make you see or hear things, but to get to that point a couple things have to happen:

    1. Your body has to have a sensitivity to THC for smaller doses to effect you more
    2. If you're not sensitive, then you have to get so baked out of your tree that you're on the moon.
    3. Its laced with something. Oil (Made from the resin left over in Pipes and bongs as well as crushing down Pot plant stems) and crushed Ritalin will do that, but so can a lot of other things

    The truth is, its really bloody hard for Pot to effect you in that way, and even then it takes YEARS (I'm talking decades) of use to get those types of reactions to manifest regularly. I've only gotten auditory hallucinations once, and that was because my friend thought it would be funny to give me a joint laced with Ritalin.

    And the more extreme cases are just that: Extremes, meaning they are rare as rare can be.

    I'm not going to deny that Pot doesn't have some harmful effects, but as soon as you compare those effects to the ones you get from drinking Alcohol, or Smoking Tobacco, those effects that people are so desperately trying demonize and blow so far out of proportion, you're left with a drug with effects the equivalent of a skinned knee.

    Pot is illegal for one reason and one reason only: In the 1930's, the paper industry lobbied the federal government to ban it because they were threatened by Hemp. Hemp was cheaper to produce, renewable and hemp based paper is a superior product.

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    Lady Barronmore Arrianna has become well known Arrianna has become well known Arrianna has become well known Arrianna's Avatar
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    Re: Long-term cannabis use can double risk of psychosis

    Funny how you completely ignored their findings with your statement.

    Young people who smoke cannabis or marijuana for six years or more are twice as likely to have psychotic episodes, hallucinations or delusions than people who have never used the drug, scientists said on Monday.
    A study by British scientists last year suggested that people who smoke skunk, a potent form of cannabis, are almost seven times more likely to develop psychotic illnesses such as schizophrenia than those who smoke "hash" or cannabis resin.
    That isn't decades that is 6 years and not even necessarily when they were still using but years later. Internalizing things not meant for your body or your brain while they are still developing can have permanent life changing results. Just because it may not have happened to you doesn't mean it doesn't happen. Maybe instead of denying it happens you should be grateful it wasn't you.

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    Banned aceman67 has become well known aceman67 has become well known aceman67 has become well known aceman67's Avatar
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    Re: Long-term cannabis use can double risk of psychosis

    Been smoking pot on a regular basis for the better part of the last 12 years... only one instance of any kind of 'psychosis', the result of a friendly prank, and I'm perfectly fine.

    My uncle's Tony and Harry, they've been smoking pot since the 60s, all of whom are well rounded individuals (Except for my uncle tony, he's a bit loopy at times, but that's unrelated, he saw things in Vietnam no human should see).

    Anyways, no study is going to convince me to stop using it by scaring me with side effects that are A) Not a certainty, and B) Rare to begin with, and even then, are most likely the result of other outside circumstances.

    This study was most likely done to debunk a study that was Pro-Pot, and for that, I direct you to my previous statement as to why its Illegal in the first place.

    You have NO IDEA how much of a positive impact using Hemp for paper products would have on the environment. Sure, we'd still need wood for buildings, but after construction needs, the second largest use of wood is for paper. Eliminate the need for wood to make paper products and you save a lot of trees.

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    Lady Barronmore Arrianna has become well known Arrianna has become well known Arrianna has become well known Arrianna's Avatar
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    Re: Long-term cannabis use can double risk of psychosis

    Quote Originally Posted by aceman67 View Post
    You have NO IDEA how much of a positive impact using Hemp for paper products would have on the environment. Sure, we'd still need wood for buildings, but after construction needs, the second largest use of wood is for paper. Eliminate the need for wood to make paper products and you save a lot of trees.
    I have a better idea then you realize which is why I know that argument is a red herring. Industrial hemp is NOT the same thing as hemp grown for "medicinal" use and the growers of drug marijuana want it no where near them since cross pollination destroys their products marketability. Industrial hemp is perfectly legal to grow in CANADA who currently more then supplies all the current market needs for it and is perfectly capable of growing more as needed. If anyone wants to start using hemp instead of wood pulp for paper there is nothing stopping them.

    All of which brings us back to your only argument against the study being not factual based but you not wanting to believe it so you won't. Don't worry I am not trying to convert any current users here, I know better then to expect someone using an addictive drug to believe that it's better not to. I am merely sharing what science is finding in multiple studies for those who find it interesting.

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    Re: Long-term cannabis use can double risk of psychosis

    Why do people think pot is so bad?If you se the frist hand effects you relize its not that bad, besides alcohol and tobacco are legal and there much worse for you.

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    Re: Long-term cannabis use can double risk of psychosis

    Okay, you are all right. Arianna and aceman are probably both correct on levels. But here is where I stand: all the adverse effects of Marijuana you can also get from alcohol, but alcohol is legal. Therefore just make the stuff legal and tax it. Hell it would end the damn recession (okay, probably not).

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    Re: Long-term cannabis use can double risk of psychosis

    I think in the long run, it's not going to matter what 'studies show' or what's 'discovered' about using it. People are still going to want to do it and therefor will continue to do it. Sure, it has bad effects on some people, but not all people are the same. I know people who've used it for years and are just fine.

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