All in moderation. There has been no cancer reports from using MJ and no reported deaths. You can't overdose on MJ, no matter how much you take, internally or by inhalation. Yes, the Canadian and US Governments should legalize it and save a lot of money that is used for law-enforcement and man-power time in the process. Personal growing should be legal and not mass growing to make a profit. Governments should grow, regulate and sell this natural product and make profits and earn millions of dollars. Yes , I am a casual user and I have never broken the law in using it or encouraged anyone else to do so. I would rather be High (happy) from MJ use than Depressed on Alcohol use (and kill someone!).