Effects of low-level inhalation exposure to carbon dioxide in indoor environments: A short review on human health and psychomotor performance

Environment International
Kenichi AzumaHaruki Osawa

Abstract

Scientific literature and documents pertaining to the effects of inhalation exposure to carbon dioxide (CO2) on human health and psychomotor performance were reviewed. Linear physiological changes in circulatory, cardiovascular, and autonomic systems on exposure to CO2 at concentrations ranging from 500 to 5000 ppm were evident. Human experimental studies have suggested that short-term CO2 exposure beginning at 1000 ppm affects cognitive performances including decision making and problem resolution. Changes in autonomic systems due to low-level exposure to CO2 may involve these effects. Further research on the long-term effects of low-level CO2 exposure on the autonomic system is required. Numerous epidemiological studies indicate an association between low-level exposure to CO2 beginning at 700 ppm and building-related symptoms. Respiratory symptoms have been indicated in children exposed to indoor CO2 concentrations higher than 1000 ppm. However, other indoor comorbid pollutants are possibly involved in such effects. In the context of significant linear increase of globally ambient CO2 concentration caused by anthropogenic activities and sources, reducing indoor CO2 levels by ventilation with ambient air represents an increas...Continue Reading

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Citations

Apr 2, 2020·Indoor Air·William W Nazaroff, Charles J Weschler
Sep 25, 2020·Scandinavian Journal of Medicine & Science in Sports·Danny EpsteinAsaf Miller
Oct 5, 2019·Surgical Endoscopy·Chang Seok BangGwang Ho Baik
Apr 29, 2020·International Journal of Environmental Research and Public Health·Vinh Van TranYoung-Chul Lee
Jun 20, 2020·Indoor Air·Bowen DuJeffrey A Siegel
May 20, 2020·GeoHealth·Kristopher B KarnauskasAnna C Schapiro
Jan 30, 2021·The Science of the Total Environment·Huizhong ShenShu Tao
Jan 15, 2020·Pulmonology·Alessandra Angelucci, Andrea Aliverti
Feb 19, 2021·International Journal of Hygiene and Environmental Health·Peder WolkoffPaolo Carrer
Apr 17, 2021·BMC Infectious Diseases·Michelle S M RheeVijay K Sharma
May 1, 2021·International Journal of Environmental Research and Public Health·Kai KisielinskiOliver Hirsch
May 12, 2021·Journal of Dental Research·Q HuangY-F Ren
Jun 26, 2021·Scientific Reports·Zachary A SiefkerBryan W Boudouris
Jul 30, 2021·Environmental Science and Pollution Research International·Salem AlgarniNabisab Mujawar Mubarak
Aug 28, 2021·International Journal of Environmental Research and Public Health·Teresa M MataAntónio A Martins

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