A few months ago, I provided a brief summary of some recent peer-reviewed research showing the serious negative health effects of marijuana use.  Since this time, some new and notable studies have been released that further add to the substantial body of scientific evidence mitigating against the legalization of this drug. In the journal JAMA (Journal of the American Medical Association) Internal Medicine, a group of international researchers from leading universities “found past exposure to marijuana use to be significantly associated with worse verbal memory in middle age,” leading them to recommend that “with recent changes in legislation and the potential for increasing marijuana use in the United States, continuing to warn potential users about the possible harm from exposure to marijuana seems reasonable.” In the same issue of JAMA Internal Medicine, two researchers from the University of Queensland and Kings College London summarized what is...(Read Full Post)