Effects of inhalation exposure to carbon dioxide on human health in indoor environment

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  • AZUMA Kenichi
    Department of Environmental Medicine and Behavioral Science, Kindai University Faculty of Medicine

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Other Title
  • 室内環境中における二酸化炭素の吸入曝露によるヒトへの影響
  • シツナイ カンキョウ チュウ ニ オケル ニサンカ タンソ ノ キュウニュウ バクロ ニ ヨル ヒト エ ノ エイキョウ

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Description

Recent studies have reported linear physiological changes in circulatory, cardiovascular, and autonomic systems at carbon dioxide (CO2) exposures ranging between 500 and 5,000 ppm; these effects are evident. Recent experimental studies suggested that CO2 might affect psychomotor performance including decision making or problem resolution, beginning at 1,000 ppm during short-time exposure. Many epidemiological studies have demonstrated a relationship between low-level exposure to CO2 and sick building syndrome (SBS) symptoms; however, other mixed indoor pollutants are also likely to involve the SBS symptoms. Maintaining a CO2 concentration below 1,000 ppm in the indoor environment of a building would represent an effective means of preventing effects upon human health and psychomotor performance. In addition, for efficient energy control of CO2 intruding a building from ambient air, urgent suppressing the rise of atmospheric CO2 concentration is required.

Journal

  • Indoor Environment

    Indoor Environment 21 (2), 113-120, 2018

    Society of Indoor Environment, Japan

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