Oxidative stress: Its role in air pollution and adverse health effects
Open accessAbstract
Increasing concern exists over the adverse effects of air pollution on human health.Epidemiological studies have shown a clear association between cardiovascular morbidity,decreased lung function, increased hospital admissions, mortality, and airborne concentrations of photochemical and particulate pollutants. Human exposure chamber studies of specific pollut-ants have shown that short term exposure leads to an acute inflammatory effect on normal human airways in a small (10–20%) proportion of healthy individuals. The consequences of long term exposure to air pollution are more difficult to access but are generally believed to be much worse. Studies in both children and adults have shown that exposure to particulates, nitrogen dioxide and sulphur dioxide, are associated with symptoms of bronchitis. Moreover, exposure to particulates has been related to reduced lung function growth in children and is reversed if the family relocates to a area with lower particulate concentrations. As with any toxic challenge the obvious solution is to remove, or at least decrease to an accept-able level, the source of trouble. In many countries, air pollution levels have fallen in recent years, while additional measures are in place in several more to decrease concentrations further. It is unlikely however, that these practical measures will completely eliminate the problem, even in the medium term. As a consequence, it has been recognised for some time that there is also a need to improve our understanding of the impact of air pollution on biological systems. For example, a bet-
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Exposure to air pollution is mediated by oxidative stress in its damaging effects on many physiological functions.
“Additionally, there is a strong body of evidence that indicates exposure to air pollution is mediated by oxidative stress in its damaging effects on many physiological functions [35,37,38].”
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- Authors
- Kelly, F. J.
- Affiliations
- King's College London (GB)
- Corresponding author
- Kelly, Frank J
- ORCID
- Kelly, Frank J
- Venue
- Occupational and Environmental Medicine
- Publisher
- BMJ
- Published
- 2003-07-25
- Volume
- 60
- Issue
- 8
- Pages
- 612-616
- ISSN
- 0007-1072 (ISSN-L)
- 1351-0711
- 1470-7926
- PMC
- PMC1740593
- OpenAlex
- W2157427270
- Cited by
- 817
- References
- 39
- Citations by year
- 2026: 30 · 2025: 48 · 2024: 48 · 2023: 68 · 2022: 46 · 2021: 56 · 2020: 71 · 2019: 54 · 2018: 49 · 2017: 32 · 2016: 42 · 2015: 38 · 2014: 30 · 2013: 35 · 2012: 17
- FWCI
- 9.33
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Occupational and Environmental Medicine (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Research Portal (King's College London) (submittedVersion)
- Funders
- Medical Research Council
- Topics
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Air Quality and Health Impacts
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Indoor Air Quality and Microbial Exposure
- Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
- Keywords
- oxidative stress, air pollution, air pollution health effects, particulate matter, nitrogen dioxide, sulfur dioxide, photochemical pollutants, cardiovascular morbidity, lung function, bronchitis, airway inflammation, children's lung function, air pollution control
- MeSH terms
- Air Pollution, Humans, Public Health, Respiratory Tract Diseases, Oxidative Stress
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