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Heating up the common cold.


British investigators have reported that the use of hot, humidified air (hyperthermia) is more beneficial in treating the symptoms of a cold than warm humidified air. In a study of 171 adults, researchers found that room air heated to 43 degrees C (109.4 F), with 100 percent humidity, produced greater reduction in severity of cold symptoms than air heated to 30 degrees C (86 F) with the same level of humidity. Persons who were heated for 20 minutes at 43 degrees C reported greater improvement in such symptoms as runny nose, stuffiness, sore throat, cough and headache.

The researchers concluded that by using hyperthermia, there is both immediate and prolonged relief of symptoms. (British Medical Journal, May 13, 1989; 298: 1280.)
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Publication:Medical Update
Date:Aug 1, 1989
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