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      Scientific American May 2001

      Taken to Heart

      Brushing your teeth may be good for your ticker

      • By Julia Karow on May 1, 2001

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      More in the May 2001 issue of Scientific American
      • The Artic Oil & Wildlife Refuge
      • A Case Study for Global Warming
      • Letters to the Editors, May 2001
      View Full Contents
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