ROCHESTER, Minn. – More research is needed before Democratic-backed  marijuana legalization is adopted in Minnesota, said state Senator Carla Nelson, a Rochester Republican. Nelson pointed to a study in the current issue of the Addictive Behavior Journal that youth marijuana usage increases wherever recreational legalization occurs. “That should be a warning bell,” said Nelson. The Democratic proposal would all cannabis in private homes and licensed public establishments for adults 21 and over. The plan would license cultivators, transporters, retailers and  wholesalers.

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