Indoor Air Pollution and Respiratory Health in Urban and Rural China

Venners, Scott A.; Zhang, Yuanyuan; Ni, Jiatong; Jin, Yaqing; Yang, Jing; Fang, Zhang; Xu, Xiping

doi:10.1179/oeh.2001.7.3.173

Cited by 28 publications

(11 citation statements)

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“…Data comparing IAQ in rural and urban settings are very few and results are at variance. Whereas no significant difference in exposure was found in some studies (Adgate et al., 2004; Jiang and Bell, 2008; Lawrence et al., 2005; Venners et al., 2001), higher exposure was found either in rural (Adgate et al., 2004; Gallego et al., 2008; Jiang and Bell, 2008; Simoni et al., 2004) or in urban settings (Adgate et al., 2004; Cao et al., 2005; Chan et al., 1990; Gallego et al., 2008), respectively, depending on the pollutant and time of measurement.…”

Section: Discussionmentioning

confidence: 73%

Indoor air pollution and childhood asthma: variations between urban and rural areas

2010

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Everyday exposure to indoor pollution was associated with a higher risk of childhood asthma. These findings suggest that even at low concentrations, pollutants could be implicated in asthma and reinforce the importance of establishing guideline values to improve indoor air quality by limiting sources or by optimizing ventilation. Specific effects could occur in rural environments where pollution differs from urban area.

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Section: Discussionmentioning

confidence: 73%

Indoor air pollution and childhood asthma: variations between urban and rural areas

2010

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“…Median indoor concentrations of PM10 were much higher in Beijing (557 micrograms/m 3 ), where the highest prevalence for chronic cough was also found [79]. …”

Section: Resultsmentioning

confidence: 99%

Analysis and evaluation of environmental tobacco smoke exposure as a risk factor for chronic cough

Groneberg‐Kloft

Feleszko

Dinh

et al. 2007

Cough

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Exposure to environmental tobacco smoke (ETS) and active tobacco smoking has been shown to increase symptoms of bronchial asthma such as bronchoconstriction but effects on other respiratory symptoms remain poorly assessed. Current levels of exposure to tobacco smoke may also be responsible for the development of chronic cough in both children and adults. The present study analyses the effects of tobacco smoke exposure as potential causes of chronic cough. A panel of PubMed-based searches was performed relating the symptom of cough to various forms of tobacco smoke exposure. It was found that especially prenatal and postnatal exposures to ETS have an important influence on children's respiratory health including the symptom of cough. These effects may be prevented if children and pregnant women are protected from exposure to ETS. Whereas the total number of studies adressing the relationship between cough and ETS exposure is relatively small, the present study demonstrated that there is a critical amout of data pointing to a causative role of environmental ETS exposure for the respiratory symptom of cough. Since research efforts have only targeted this effect to a minor extent, future epidemiological and experimental studies are needed to further unravel the relation between ETS and cough.

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“…Studies have generally focused on a limited number of pollutants—total suspended particles, PM10 (particles of size 10 µm or smaller), PM4 (particles of size 4 µm or smaller), benzo(a)pyrene and total PAHs. In general, reported ranges of exposure of 24‐h indoor levels of PM10 and PM4 are in the hundreds of µg/m 3 range, significantly above the level considered healthy in most guidelines for indoor air standards 4,41,42 . Studies that have monitored benzo(a)pyrene have reported widely varying estimates, over four orders of magnitude.…”

Section: Human Exposure To Biomass Fuel Smoke Emissionsmentioning

confidence: 99%

“…In general, reported ranges of exposure of 24-h indoor levels of PM10 and PM4 are in the hundreds of mg/m 3 range, significantly above the level considered healthy in most guidelines for indoor air standards. 4,41,42 Studies that have monitored benzo(a)pyrene have reported widely varying estimates, over four orders of magnitude. Nevertheless, use of traditional wood stoves in China resulted in emissions of benzo(a)pyrene that were higher than households where coal was used in improved stoves, 43 and South Asian households using biomass fuels (dung, wood and charcoal) had exposure to benzo(a)pyrene in the high hundreds or thousands of nanograms per cubic metre.…”

Section: Human Exposure To Biomass Fuel Smoke Emissionsmentioning

confidence: 99%

Biomass fuels and lung cancer

Lim

Seow

2011

Respirology

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It is estimated that about 2.4 billion people around the world, or about 40% of the world's population, depend on biomass fuels (wood, charcoal, dung, crop residue) to meet their energy needs for cooking and heating. The burden is especially high in Asia. Studies suggest that levels of pollutants including particulate matter <10 mm and polycyclic aromatic hydrocarbons indoors in homes where biomass fuels are used far exceed levels recommended as safe. While in vitro and in vivo studies in animal models suggest that wood smoke emission extracts are mutagenic and carcinogenic, epidemiologic studies have been inconsistent. In this review, we discuss possible carcinogenic mechanisms of action of biomass fuel emissions, summarize the biological evidence for carcinogenesis, and review the epidemiologic evidence in humans of biomass fuel emissions as a risk factor for lung cancer. Finally, we highlight some issues relevant for interpreting the epidemiologic evidence for the relationship between biomass fuel exposure and lung cancer: these include methodologic considerations and recognition of possible effect modification by genetic susceptibility, smoking status, age of exposure and histologic type.

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Indoor Air Pollution and Respiratory Health in Urban and Rural China

Cited by 28 publications

References 0 publications

Indoor air pollution and childhood asthma: variations between urban and rural areas

Indoor air pollution and childhood asthma: variations between urban and rural areas

Analysis and evaluation of environmental tobacco smoke exposure as a risk factor for chronic cough

Biomass fuels and lung cancer

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