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Steve Griffin | The Salt Lake Tribune James Ruff and professor Wayne Potts stand inside a semi natural mouse enclosure at the Sk Steve Griffin | The Salt Lake Tribune In a recently released study researches at the University of Utah studied the effect of add Steve Griffin | The Salt Lake Tribune In a recently released study researches at the University of Utah studied the effect of add Steve Griffin | The Salt Lake Tribune In a recently released study researches at the University of Utah studied the effect of add Steve Griffin | The Salt Lake Tribune In a recently released study researches at the University of Utah studied the effect of add