PMID: 16617203Apr 18, 2006Paper

Physiological and subjective responses to low relative humidity

Journal of Physiological Anthropology
Yujin SunwooYutaka Tochihara

Abstract

In order to investigate the influence of low relative humidity, we measured saccharin clearance time (SCT), frequency of blinking, heart rate (HR), blood pressure, hydration state of skin, transepidermal water loss (TEWL), recovery sebum level and skin temperature as physiological responses. We asked subjects to judge thermal, dryness and comfort sensations as subjective responses using a rating scale. Sixteen non-smoking healthy male students were selected. The pre-room conditions were maintained at an air temperature (Ta) of 25 degrees C and a relative humidity (RH) of 50%. The test room conditions were adjusted to provide a Ta of 25 degrees C and RH levels of 10%, 30% and 50%.RH had no effect on the activity of the sebaceous gland and on cardiovascular reactions like blood pressure and HR. However, it was obvious that low RH affects SCT, the dryness of the ocular mucosa and the stratum corneum of the skin and causes a decrease in mean skin temperature. Under 30% RH, the eyes and skin become dry, and under 10% RH the nasal mucous membrane becomes dry as well as the eyes and skin, and the mean skin temperature decreases. These findings suggested that to avoid dryness of the eyes and skin, it is necessary to maintain an RH grea...Continue Reading

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Citations

Dec 4, 2014·International Journal of Cardiology·Debraj DasJustin A Ezekowitz
Apr 4, 2015·Journal of Clinical Biochemistry and Nutrition·Chinatsu KawadaOsamu Urushibata
Oct 10, 2015·Journal of the European Academy of Dermatology and Venereology : JEADV·K A EngebretsenJ P Thyssen
Jul 28, 2012·Wilderness & Environmental Medicine·Abhijeet Bhatia, Ranabir Pal
Dec 2, 2009·The Ocular Surface·Michael E Johnson
May 24, 2011·Auris, Nasus, Larynx·Harumi OozawaYuichi Majima
May 24, 2008·Environment International·Peder Wolkoff
May 15, 2007·Environment International·Peder Wolkoff, Søren K Kjaergaard
Apr 17, 2008·Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)·Barbara Cravello, Ada Ferri
Oct 24, 2014·Annals of Occupational and Environmental Medicine·Hyun A ChoSeong Sil Chang
Jul 13, 2014·Nutrition Journal·Chinatsu KawadaOsamu Urushibata
Jun 24, 2016·PloS One·Anna RunnsjöJohan Engblom
Jun 10, 2006·Journal of Physiological Anthropology·Yujin SunwooYutaka Tochihara
Dec 24, 2018·Indoor Air·Silvia RuggieriUNKNOWN RESPIRA Project Group
Aug 5, 2008·Optometry and Vision Science : Official Publication of the American Academy of Optometry·Carol J FairchildCarolyn G Begley
May 12, 2012·Journal of Occupational and Environmental Medicine·Peder WolkoffHorst Mayer
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Jun 15, 2019·Journal of the European Academy of Dermatology and Venereology : JEADV·Sanghun KimEunjoo Kim
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May 21, 2020·Sensors·Raissa SchiavoniAndrea Cataldo
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Oct 22, 2020·Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)·Iva DolečkováVladimír Velebný
Dec 10, 2020·International Journal of Environmental Research and Public Health·Angelo SpenaVincenzo Andrea Spena
Apr 7, 2021·Environmental Health : a Global Access Science Source·Hannan KrancLena Novack
Dec 30, 2021·Ophthalmic Epidemiology·Igor PetričekTomislav Bulum

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