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  1. Nutrition society president says eat less, move more

    Physician Robert Russell became president of the American Society for Nutrition earlier this year. A policy consultant to the National Institutes of Heath, Russell spent a quarter century with the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University in Medford, Mass., most recently as its director. He has authored hundreds of […]

    By Robert Russell
  2. Life

    Evolutionary adaptation breeds gender-identification confusion

    The rise of camouflage among some lizards in White Sands National Monument has generated a communication breakdown.

    By Susan Milius
  3. Health & Medicine

    For most centenarians, longevity is written in the DNA

    A study of people who live past 100 reveals many genetic paths to a long life.