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The Big Chill

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Science  10 Aug 2007:
Vol. 317, Issue 5839, pp. 743-745
DOI: 10.1126/science.317.5839.743

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PITTSBURGH, PENNSYLVANIA-- Lowering the body's temperature improves the chances of surviving a cardiac arrest and other types of trauma; but as cold therapy expands, researchers are struggling to understand why and for whom it works.