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  1. INCB President voices concern

    15 November 2012
    Other news

    The President of the International Narcotics Control Board (INCB), Raymond Yans, has voiced grave concern about the outcome of recent referenda in the United States of America that would allow the non-medical use of cannabis by adults in the states of Colorado and Washington, and in some cities in the states of Michigan and Vermont. Mr. Yans stated that “these developments are in violation of the international drug control treaties, and pose a great threat to public health and the well-being of society far beyond those states”.

  2. Cannabis reduces IQ (and appreciation of context)

    Dean Burnett
    28 August 2012
    Other news

    A new study suggests that young cannabis users run the risk of a lower IQ. In what is an impressively long-term cohort study, it was found that "those who started using cannabis below the age of 18 - while their brains were still developing - suffered a drop in IQ". Defending drugs is rarely a good move politically, and anti-drug legislation often occurs without the support of scientific evidence. Contrastingly, any scientific finding that suggests drug use may have detrimental effects is seized upon and often exaggerated, sometimes to ludicrous extents. And you know there'll soon be leaflets going around schools that explicitly state that cannabis makes you stupid.

  3. Does weekly marijuana use by teens really cause a drop in IQ?

    Maia Szalavitz
    28 August 2012
    Other news

    Heavy marijuana use is associated with cognitive decline in about 5% of teens, according to a new study, which suggests that the heaviest users could lose 8 IQ points, according to a report, published in the Proceedings of the National Academy of Sciences. If the link is real, the effects on cognition could be dramatic. But intelligence and cognition is affected by a plethora of other factors, including genetic, social and environmental influences that may supersede any influence from drug use.