| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Ferdinands, Jill M Crawford, Carol A Gotway Greenwald, Roby Van Sickle, David Hunter, Eric Teague, W Gerald |
| Abstract | Background Vigorous outdoors exercise during an episode of air pollution might cause airway inflammation. The purpose of this study was to examine the effects of vigorous outdoor exercise during peak smog season on breath pH, a biomarker of airway inflammation, in adolescent athletes. Methods We measured breath pH both pre- and post-exercise on ten days during peak smog season in 16 high school athletes engaged in daily long-distance running in a downwind suburb of Atlanta. The association of post-exercise breath pH with ambient ozone and particulate matter concentrations was tested with linear regression. Results We collected 144 pre-exercise and 146 post-exercise breath samples from 16 runners (mean age 14.9 years, 56% male). Median pre-exercise breath pH was 7.58 (interquartile range: 6.90 to 7.86) and did not change significantly after exercise. We observed no significant association between ambient ozone or particulate matter and post-exercise breath pH. However both pre- and post-exercise breath pH were strikingly low in these athletes when compared to a control sample of 14 relatively sedentary healthy adults and to published values of breath pH in healthy subjects. Conclusion Although we did not observe an acute effect of air pollution exposure during exercise on breath pH, breath pH was surprisingly low in this sample of otherwise healthy long-distance runners. We speculate that repetitive vigorous exercise may induce airway acidification. |
| Related Links | https://ehjournal.biomedcentral.com/counter/pdf/10.1186/1476-069X-7-10.pdf |
| Ending Page | 11 |
| Page Count | 11 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| DOI | 10.1186/1476-069X-7-10 |
| Journal | Environmental Health |
| Issue Number | 1 |
| Volume Number | 7 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2008-03-07 |
| Access Restriction | Open |
| Subject Keyword | Occupational Medicine Industrial Medicine Public Health Environmental Health Ozone Exhale Breath Condensate Breath Sample Ambient Ozone Particulate Matter Concentration Occupational Medicine/Industrial Medicine |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Public Health, Environmental and Occupational Health |
| Journal Impact Factor | 5.4/2023 |
| 5-Year Journal Impact Factor | 6.7/2023 |
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