Approach from physiological anthropology for preventing heat disorders in elderly people

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In the thermal environment (ambient temperature and humidity, use of air conditioning etc.) of daily life in summer, age groups of 70 and 80 yrs old lived with higher indoor temperature and humidity than a group of 20 yrs old, but no sex differences were found in either group. The higher temperature and humidity of the indoor environment of the elderly may be due to shorter utilization time and/or higher temperature setting of air conditioning. Similar age-related differences in the temperature and humidity of indoor environment were also observed during July to September. In the elderly group of 70 yrs old, the thermal environment of daily life in summer may not be determined only by autonomic thermoregulatory ability. Based on these results, it is recommended that elderly people should use a thermometer to regularly check room temperature and maintain room temperature under 28 degree in summer to prevent heat disorders.