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      Celebrate Math Awareness Month

      Scientific American January 2003

      Rebuilding the Food Pyramid

      The dietary guide introduced a decade ago has led people astray. Some fats are healthy for the heart, and many carbohydrates clearly are not

      • By Walter C. Willett and Meir J. Stampfer

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      More in the January 2003 issue of Scientific American
      • Ask the Experts: January 2003
      • Ice That Sinks
      • Type It Anywhere
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