Thursday, 22 November 2012

Shanghai: solid fuel cooking harms lung health

Use of fuels such as coal in Shanghai homes worsened lung health
by Michael Woodhead
Lung health is being harmed by exposure to fumes from solid fuel such as coal used in household cooking  ia Shanghai study has shown.
Researchers from Shanghai Putuo District People's Hospital examined the association between household solid fuel exposure and lung function in a densely populated district in urban Shanghai, China.
Spirometry was performed in 12 506 adults living in the Putuo District in Shanghai, China, in a cross-sectional survey. Their study found that people with exposure to household solid fuel had a 1.3% decrease in forced expiratory volume  (FEV1) percent predicted and 3.5% decrease in forced vital capacity (FVC) percent predicted, respectively. Pulmonary function measures were worse with longer duration and greater amount of household fuel use at home, and lung function was more adversely affected by solid fuel in obese people.
"In this large-scale population-based study, household solid fuel exposure was associated with reduced FEV1 and FVC. We also observed larger decrements in lung function in association with a greater amount and longer duration of exposure. Furthermore, the associations of solid fuel with lung function measures were stronger among subjects with higher BMI values than among non-obese subjects. These data suggest that obese people may experience a larger detrimental effect from household exposure to solid fuel than do non-obese people."
"Our results underscore the importance of the control of exposure to solid fuel use at home and respiratory health surveillance, in particular, among obese subjects who may be more susceptible to in-home air pollution," the study researchers say.
Read more: Occupational and Environmental Medicine

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