Abstract
AN interesting series of physiological and clinical observations on the effect of the desert climate of Shaiba, southern Iraq, in the summer of 1943, has been reported by W. S. S. Ladell, J. C. Waterlow and M. F. Hudson (Lancet, 491, Oct. 14 and 527, Oct. 21, 1944). Both fit soldiers and cases of the effects of heat were studied. All the fit men lost some weight in the hot weather, especially those who had the highest chloride concentration in their sweat. The measured rate of sweating and the estimated salt intake indicated that subjects with a high concentration of chloride in their sweat (more than 0·3 per cent of sodium chloride) may not always have been in salt balance. Low output of urine, in spite of high water intake, low urinary chloride and raised blood urea, suggested salt-deficiency dehydration.
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LAPAGE, G. Effects of Heat on Human Beings. Nature 155, 213 (1945). https://doi.org/10.1038/155213a0
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DOI: https://doi.org/10.1038/155213a0