An electrolyte is “any compound that, in solution or in molten form, conducts electricity and is decomposed (electrolyzed) by it. It is an ionizable substance in solution” (Medilexicon’s medical dictionary). An electrolyte is any substance that contains free ions that behaves as an electrically conductive medium (conducts electricity).

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The lowest ever levels of oxygen in humans have been reported in climbers on an expedition led by UCL (University College London) doctors. The world-first measurements of blood oxygen levels in climbers near the top of Mount Everest, published in this week's New England Journal of Medicine (NEJM), could eventually help critical care doctors to re-evaluate treatment strategies in some long-term patients with similarly low levels of blood oxygen.
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A study published ahead of print in the British Journal of Sports Medicine finds that fatness increases the level of inflammatory activity in the body as measured by white blood cell counts. Researchers also found that levels of inflammatory activity are lower in people who are more physically fit. Neil M.
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