Abstract
BUSHMEN in their natural state fulfil two important criteria for acclimatization to heat1. They probably are unique among indigenous peoples in this regard. In the first place, they are exposed to high temperatures and fairly intense radiation. Globe thermometer readings of 140° F. in the sun and 104° F. in the shade were recorded on our excursion into the Kalahari Desert. Secondly, these men are nomadic hunters, and, in tracking down and pursuing wild game, they exercise actively in these temperatures.
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References
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WYNDHAM, C., MORRISON, J. Heat Regulation of MaSarwa (Bushmen). Nature 178, 869–870 (1956). https://doi.org/10.1038/178869b0
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DOI: https://doi.org/10.1038/178869b0
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