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New study in Biological Psychiatry: Cognitive Neuroscience and Neuroimaging looks at the effects of heavy cannabis use on brain function and behavior Young people with cannabis dependence have altered brain function that may be the source of emotional disturbances and increased psychosis risk that are associated with cannabis abuse, according to a new study published…

By Silent Poison Published by the Ecological Society of America, a new study from scholars at UC Berkley & Ithaca College Report that confirms that "Planting cannabis for commercial production in remote locations is creating forest fragmentation, stream modification, soil erosion and landslides. Without land-use policies to limit its environmental footprint, the impacts of cannabis…

By R. Douglas Fields BERLIN—Society’s embrace of cannabis to treat nausea, pain and other conditions proceeds apace with the drive to legalize the plant for recreational use. Pot’s seemingly innocuous side effects have helped clear a path toward making it a legal cash crop, with all of the marketing glitz brought to other consumer products.…