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Black Carbon Reduces the Beneficial Effect of Physical Activity on Lung Function

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Title: Black Carbon Reduces the Beneficial Effect of Physical Activity on Lung Function
Authors: Laeremans, M
Dons, E
Avila-Palencia, I
Carrasco-Turigas, G
Orjuela-Mendoza, JP
Anaya-Boig, E
Cole-Hunter, T
De Nazelle, A
Nieuwenhuijsen, M
Standaert, A
Van Poppel, M
De Boever, P
Int Panis, L
Item Type: Journal Article
Abstract: Introduction When physical activity is promoted in urban outdoor settings (e.g., walking and cycling), individuals are also exposed to FEV<sub xmlns:mrws="http://webservices.ovid.com/mrws/1.0">1</sub>|AIR POLLUTION|ACTIVE MOBILITY. It has been reported that short-term lung function increases as a response to physical activity, but this beneficial effect is hampered when elevated FEV<sub xmlns:mrws="http://webservices.ovid.com/mrws/1.0">1</sub>|AIR POLLUTION|ACTIVE MOBILITY concentrations are observed. Our study assessed the long-term impact of FEV<sub xmlns:mrws="http://webservices.ovid.com/mrws/1.0">1</sub>|AIR POLLUTION|ACTIVE MOBILITY on the pulmonary health benefit of physical activity. Methods Wearable sensors were used to monitor physical activity levels (SenseWear) and exposure to black carbon (microAeth) of 115 healthy adults during 1 wk in three European cities (Antwerp, Barcelona, London). The experiment was repeated in three different seasons to approximate long-term behavior. Spirometry tests were performed at the beginning and end of each measurement week. All results were averaged on a participant level as a proxy for long-term lung function. Mixed effect regression models were used to analyze the long-term impact of physical activity, black carbon and their interaction on lung function parameters, forced expiratory volume in the first second (FEV1), forced vital capacity (FVC), FEV1/FVC, forced expiratory flow (FEF)25–75, and peak expiratory flow. Interaction plots were used to interpret the significant interaction effects. Results Negative interaction effects of physical activity and black carbon exposure on FEV1 (P = 0.07), FEV1/FVC (P = 0.03), and FEF25–75 (P = 0.03) were observed. For black carbon concentrations up to approximately 1 μg·m−3, an additional MET·h−1·wk−1 resulted in a trend toward lung function increases (FEV1, FEV1/FVC, and FEF25–75 increased 5.6 mL, 0.1% and 14.5 mL·s−1, respectively). Conclusions We found that lung function improved with physical activity at low black carbon levels. This beneficial effect decreased in higher FEV<sub xmlns:mrws="http://webservices.ovid.com/mrws/1.0">1</sub>|AIR POLLUTION|ACTIVE MOBILITY concentrations. Our results suggest a greater need to reduce FEV<sub xmlns:mrws="http://webservices.ovid.com/mrws/1.0">1</sub>|AIR POLLUTION|ACTIVE MOBILITY exposures during physical activity.
Issue Date: 1-Sep-2018
Date of Acceptance: 26-Mar-2018
URI: http://hdl.handle.net/10044/1/63478
DOI: https://dx.doi.org/10.1249/MSS.0000000000001632
ISSN: 0195-9131
Publisher: LIPPINCOTT WILLIAMS & WILKINS
Start Page: 1875
End Page: 1881
Journal / Book Title: MEDICINE AND SCIENCE IN SPORTS AND EXERCISE
Volume: 50
Issue: 9
Copyright Statement: © 2018 American College of Sports Medicine. This is a non-final version of an article published in final form in Medicine & Science in Sports & Exercise. 50(9):1875–1881, https://dx.doi.org/10.1249/MSS.0000000000001632
Keywords: Science & Technology
Life Sciences & Biomedicine
Sport Sciences
AIR POLLUTION
ACTIVE MOBILITY
TIFFENEAU
FVC
FEV1
FORCED EXPIRATORY FLOW
AIR-POLLUTION
RESPIRATORY-FUNCTION
TERM EXPOSURE
HEALTH
DISEASE
PERFORMANCE
VALIDATION
INACTIVITY
MORTALITY
1106 Human Movement And Sports Science
Publication Status: Published
Online Publication Date: 2018-09-01
Appears in Collections:Centre for Environmental Policy
Faculty of Natural Sciences



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