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  1. 5-HT2A
    A paper presented at the annual congress of the European College of Neuropsychopharmacology (ECNP) in Berlin says that moderate cannabis use by adolescents does not lead to educational or intellectual decline, but that heavy cannabis use is associated with slightly poorer exam results at age 16.

    The results come from the Avon Longitudinal Study of Parents and Children (ALSPAC, also known as "Children of the 90's") a long-term study that follows the health of children born in the Bristol area (UK) in 1991 and 1992. They analyzed data from 2,612 children who had their IQ tested at the age of 8, and again at the age of 15. These children's examination results were then factored in via the National Pupil Database. At the age of 15, each person in the study completed a survey on cannabis use.

    Their method has some limitations: cannabis use was self-reported and the measure of IQ taken at age 15 was an abbreviated version of the standard Wechsler IQ test, among other things.

    The researchers used regression analysis to look at how cannabis use affected both intellectual and educational performance. A number of children could not be included in the final analyses (for example because they had experienced a head injury), leaving a total sample size of 2,235.

    The researchers found two main points:

    - Cannabis use appeared to be associated with decreased intellectual performance. Cannabis use was, however, highly correlated with other risky behaviours such as alcohol, cigarette and other drug use. When the researchers took these other behaviours into account, they found there was no relationship between cannabis use and lower IQ at age 15.

    - Heavier cannabis users (at least 50 times by age 15) however, did show marginally impaired educational abilities. These children tended to have poorer exam results (3% lower) on compulsory school exams taken at age 16, even after adjusting for childhood educational performance, as well as alcohol, cigarette and other drug use.

    According to lead researcher, Claire Mokrysz (University College London), "Our findings suggest cannabis may not have a detrimental effect on cognition, once we account for other related factors- particularly cigarette and alcohol use. This may suggest that previous research findings showing poorer cognitive performance in cannabis users may have resulted from the lifestyle, behavior and personal history typically associated with cannabis use, rather than cannabis use itself.

    "People often believe that using cannabis can be very damaging to intellectual ability in the long-term, but it is extremely difficult to separate the direct effects of cannabis from other potential explanations. Adolescent cannabis use often goes hand in hand with other drug use, such as alcohol and cigarette smoking, as well as other risky lifestyle choices. It's hard to know what causes what- do kids do badly at school because they are smoking weed, or do they smoke weed because they're doing badly? This study suggests it is not as simple as saying cannabis is the problem.

    "This is a potentially important public health message- the belief that cannabis is particularly harmful may detract focus from and awareness of other potentially harmful behaviours. However the finding that heavier cannabis use is linked to marginally worse educational performance is important to note, warranting further investigation."

    by News Staff

    October 20, 2014



  1. TheBigBadWolf

    There is light at the end of the tunnel.
    Dammit, if I had known that I could have had my exam notes 3% better.

    No, seriously:
    one old prejudice against cannabis more that went the way of all lies - seen in the right light they crumble away.

    First it was the fact that cannabis is NOT heightening the chance of a psychological damage concerning psychosis and schizophrenia, but that in fact cannabis alkaloids are there which actually can be used to treat schizophrenia (CBD).

    Now it's the rumour it would -in any case- worsen education chances of young users.

    I guess what will come out at last is the pure truth - that marijuana prohibition was a racist law against US' black population which has uncontrolledly spread all over the world, unreflectedly taken as the real McCoy...

    Sad that it took 90 years of prohibition and reactionary politics to find out the truths.

    I'm the last one spreading conspirational ideas - one thing is for sure - Cannabis prohibition is not based on any scientifical facts but was and still is in place because of lobbyism and the influence of concurrent drug producers (which I think is Breweries, Distilleries and the Wine producing industries.)

    Anyway. This is good news - for young users and for the Pro-Cannabis movement.

  2. detoxin momma
    I agree.
    ive smoked pot since very very young.dabbled by age 12,daily smoker by 15.

    in school I was the kid that had all her work done way before everyone else.all A's to.

    im not saying all stoners are smarter.but I do believe smoking a joint before school gave me a little edge.
    hell,i got my Diploma when I would have been in 10th grade!
    never saw a day of school past 9th grade either.

    could be genetics,but i'll go with marijuana lol...
  3. Chemical Lawyer
    True that...ive been a daily smoker for about 5 years now, and in can honestly say that weed saved my life and that i function better if i smoke a little in the morning before i go to class. I study law, and have to read a lot. It is true i have lost some short term memory, but also, weed makes really boring texts, bearable; it makes simple and basic things, amusing. I think weed makes me a better person: when im driving, i dont get mad about clumsy drivers; when i fight with my mom or my gf, and then go for a smoke, i come back a new person, and i find it really easy to say im sorry when im high. About 6 years ago, I used to drink alcohol almost every day, and after my liver got swollen, i had to stop drinking for 6 months. During that time i started smoking weed. I had tried it before, but had never really liked it. The thing is, that i realized that while i was high i didnt feel any desire to drink, or do cocaine, and after the 6 months period, when i could go back to the bottle, i chose not to. I was sober for over a year, and now, i smoke weed during the week about three times a day, and during the weekend i drink. But it is because of weed, that i dont feel the need to drink, or take benzos to get along. Some people say they become lazy, but personally i study really hard, so i never have to quit. Having said that, i do know really bright people who have wasted all their abilities because of weed. Some people may say weed is not addictive, but i do feel it is. I consider myself addicted to weed, but unlike alcohol, it is an addiction you can handle with alot of dignity and full functionalty.
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