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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Schauer, James J. Zhang, Yuanxun Wang, Yuqin Ezzati, Majid Baumgartner, Jill Huang, Wei |
| Spatial Coverage | China |
| Description | Author Affiliation: Baumgartner J ( Institute for Health and Social Policy and Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, QC, Canada H3A 1A3); Zhang Y ( College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China); Schauer JJ ( Environmental Chemistry and Technology Program, Department of Civil and Environmental Engineering, University of Wisconsin-Madison, Madison, WI 53706); Huang W ( College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China); Wang Y ( College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China); Ezzati M ( MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London W2 1PG, United Kingdom.); |
| Abstract | Air pollution in China and other parts of Asia poses large health risks and is an important contributor to global climate change. Almost half of Chinese homes use biomass and coal fuels for cooking and heating. China's economic growth and infrastructure development has led to increased emissions from coal-fired power plants and an expanding fleet of motor vehicles. Black carbon (BC) from incomplete biomass and fossil fuel combustion is the most strongly light-absorbing component of particulate matter (PM) air pollution and the second most important climate-forcing human emission. PM composition and sources may also be related to its human health impact. We enrolled 280 women living in a rural area of northwestern Yunnan where biomass fuels are commonly used. We measured their blood pressure, distance from major traffic routes, and daily exposure to BC (pyrolytic biomass combustion), water-soluble organic aerosol (organic aerosol from biomass combustion), and, in a subset, hopane markers (motor vehicle emissions) in winter and summer. BC had the strongest association with systolic blood pressure (SBP) (4.3 mmHg; P < 0.001), followed by PM mass and water-soluble organic mass. The effect of BC on SBP was almost three times greater in women living near the highway [6.2 mmHg; 95% confidence interval (CI), 3.6 to 8.9 vs. 2.6 mmHg; 95% CI, 0.1 to 5.2]. Our findings suggest that BC from combustion emissions is more strongly associated with blood pressure than PM mass, and that BC's health effects may be larger among women living near a highway and with greater exposure to motor vehicle emissions. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 36 |
| Volume Number | 111 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2014-09-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Hypertension Epidemiology Rural Population Statistics & Numerical Data Soot Adverse Effects Diastole Environmental Exposure Geography Motor Vehicles Particulate Matter Administration & Dosage Risk Factors Systole Vehicle Emissions Research Support, Non-U.S. Gov't Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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