London: Two new studies have found that exposure to wood smoke from cooking fires may contribute to pneumonia and cognitive impacts.The studies led by University of California, Berkeley researchers indicated that women and young children in poverty are particularly vulnerable to the health effects of smoke from open fires and dirty cook stoves, the primary source of cooking and heating for 43 percent of the world’s population.Pneumonia is the chief cause of death for children five and under.In the first study, the researchers found a dramatic one-third reduction in severe pneumonia diagnoses among children in homes with smoke-reducing chimneys on their cook stoves.The second study uncovered a surprising link between prenatal maternal exposure to wood smoke and poorer performance in markers for IQ among school-aged children.“This study is critically important because it provides compelling evidence that reducing household wood smoke exposure is likely a public health intervention that is on a par with vaccinations and nutrition supplements for reducing severe pneumonia, and is worth investing in,” said Kirk Smith, principal investigator of the study.In the RESPIRE (Randomized Exposure Study of Pollution Indoors and Respiratory Effects) study, the researchers worked with rural communities in the Western Highlands of Guatemala.
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