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Chill-out device may protect brain during heart attacks

RhinoChill, already approved for use in Europe, passes safety tests, but more study is needed to determine the extent of its benefits

A portable, backpack-sized device that infuses supercooled mist through the nose appears safe in early tests, and may eventually offer a way to help protect patients from neurological damage following a heart attack. Normally, brain tissue starts to die soon after being deprived of oxygen, but research has found that chilling the brain to around 92 degrees can help lessen permanent damage.

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