保健 - 第74期 - page 52

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PREVENTION IS BETTER THAN CURE: FEVER & HEALTH
Although fever increases our immunity to infection, if >41˚C, may damage our brain - the same mechanism of "hyperthermia"
to kill cancer cells. A temperature of 37˚C is part of the "interior milieu" for health. Apart from heat stroke, the commonest
cause of fever is micro-organisms: pneumococci, staph aureus, haemolytic streptococci, spirochaete bacteria, etc; flu, bird
flu, Norwalk (gut) viruses and fungus, etc. - "endotoxins" liberated induce fever, chills and rigors; prostaglandin E (counteracted
by aspirin, ibuprofen, etc.) acts to raise our body temperature whereas other substances, e.g., arginine vasopressin and
melanocyte stimulating hormone lower it for our protection. As for 1˚C body temperature rise, our body energy consumption
increases by 13%, our pulse, by 18 per minute, more energy intake is required; in the young, high fever may well lead to
convulsions; as excessive sweating may cause dehydration and salt depletion, take more fluids and electrolytes. As with
disease control, fever also subsides, fever of <40˚C need not be brought down soon - also useful to indicate treatment
progress. Consult your doctor and take a good rest.
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