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Weight gain causes weight loss

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  • Ian Pitchford
    NATURE SCIENCE UPDATE lifelines: Weight gain causes weight loss JOHN WHITFIELD Surgically implanting weights into mice fools them into thinking that they have
    Message 1 of 1 , May 2, 2001
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      NATURE SCIENCE UPDATE
      lifelines: Weight gain causes weight loss

      JOHN WHITFIELD

      Surgically implanting weights into mice fools them into thinking that they
      have got fatter. They slim down accordingly and stay slim even after the
      weights are removed, new research has discovered1.

      The result points to a means of weight regulation based on the body's
      perception of how heavy it is and controlled through the nervous system. If
      the same pertains in humans, ballast might just be the new fat buster.

      Christopher Adams, of the University of Pennsylvania, and colleagues
      stitched one-, two- or three-gram weights — equivalent to about 10% of body
      mass — into the abdomens of deer mice (Peromyscus maniculatus). Five weeks
      later, the tissue mass of the mice had fallen; the heavier the implant, the
      greater the drop, although the weight lost did not compensate exactly for
      the weight of the implant.

      Full text:
      http://www.nature.com/nsu/010503/010503-5.html
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