Cited by 58Indoor Air Quality and Microbial ExposurePsychosomatic Disorders and Their TreatmentsBuilding Energy and Comfort Optimization

Mechanisms underlying nontoxic indoor air health problems: A review

Open access
Nordin, Steven·2020·International Journal of Hygiene and Environmental Health

Abstract

Indoor air health problems of the type non-specific building-related symptoms (NBRS; formally called "sick-building syndrome") and chemical intolerance (CI; e.g. multiple chemical sensitivity) can in severe cases lead to significant disability and poor quality of life. Apart from suffering of the afflicted individuals, the productivity loss ascribed to environmental intolerances of this kind is very costly for society. Preventive measures and appropriate treatment call for understanding of the mechanism underlying NBRS and CI. Considerable similarities between NBRS and CI suggest that the two conditions at large share mechanisms. Since typical cases of these conditions cannot be explained by toxic exposure, the present objective is to describe underlying mechanisms of psychobiological nature for which there is well-developed theoretical ground and empirical support. Focus lies on the mechanisms neurogenic inflammation and neural sensitization. Apart from describing its basic mechanisms, neurogenic inflammation is reviewed in relation to NBRS and CI regarding neurogenic switching, activation of the autonomic nervous system and axon reflex as well as interaction effects between chemical irritants, allergens, and psychosocial stressors. In addition to describing various types of sensitization, empirical support for their role in NBRS and CI is reviewed. The mechanism classical conditioning, symptom misattribution and somatosensory amplification, and nocebo are also addressed. The review rounds off with a discussion on why only a subset of individuals exposed to these indoor environments develop NBRS and CI, and a discussion on integration of the presented mechanisms, accompanied by proposed hypotheses for future research.

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Research works printed but not linked: 3

  1. Andersson, L., 2012. Sick of smells: empirical findings and a theoretical framework for chemical intolerance (Doctoral dissertation). Available from Diva. http://umu.diva- portal.org/smash/record.jsf?pid=diva2%3A464846&dswid=-8630.
  2. Cain, W.S., 1988. Olfaction. In: In: Atkinson, R.C., Herrnstein, R.J., Lindzey, G., Luce, R.D. (Eds.), Handbook of Experimental Psychology: Perception and Motivation, vol 1. Wiley, New York, pp. 409-459.
  3. Palmquist, E., 2017. Environmental intolerance: psychological risk and health factors. (Doctoral dissertation). Available from Diva: http://www.diva-portal.org/smash/ search.jsf?dswid=-1295.

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Authors
Nordin, S.
Affiliations
Umeå University (SE)
Corresponding author
Nordin, Steven
Venue
International Journal of Hygiene and Environmental Health
Publisher
Elsevier BV
Published
2020-05
Volume
226
Pages
113489
ISSN
1438-4639 (ISSN-L)
OpenAlex
W3009129425
Cited by
58
References
175
Citations by year
2026: 5 · 2025: 4 · 2024: 18 · 2023: 11 · 2022: 6 · 2021: 7 · 2020: 7
FWCI
0.67
Type
journal article
Language
en
Open access
Locations
  • International Journal of Hygiene and Environmental Health (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DiVA at Umeå University (Umeå University) (submittedVersion, other-oa)
Funders
AFA Försäkring
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Indoor Air Quality and Microbial Exposure
  • Health Sciences › Medicine › Psychiatry and Mental health › Psychosomatic Disorders and Their Treatments
  • Physical Sciences › Engineering › Building and Construction › Building Energy and Comfort Optimization
Keywords
sick building syndrome, multiple chemical sensitivity, chemical intolerance, neurogenic inflammation, neural sensitization, autonomic nervous system, axon reflex, chemical irritants, allergens, psychosocial stressors, classical conditioning, symptom misattribution, somatosensory amplification, nocebo, psychobiological mechanisms, indoor air quality
MeSH terms
Animals, Humans, Air Pollution, Indoor, Multiple Chemical Sensitivity, Sick Building Syndrome

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