Douglas Todd: Psychologists urge marijuana vigilance, but say more study needed

Apart from the #Metoo maelstrom and the housing crises in Toronto and Vancouver, few things stir up Canadians more than marijuana, which its promoters claim is the cure for everything from glaucoma to brain disease.
Should private outlets sell recreational marijuana? Is it more enjoyable to smoke or swallow cannabis? Will I get rich on pot stocks? Is it possible to remove the criminal underground from Canada’s $6 billion-a-year cannabis industry?
With the legalization of recreational marij