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Pollution tied to first time asthma in children: Study

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eMediNexus    21 August 2020

The more children are exposed to pollution, the greater the risk they have of developing their first case of asthma, suggested a large study published in the BMJ.

The study has added to the increasing evidence base that exposure to air pollution affects the development of chronic breathing problems. Investigators assessed data from around 780,000 Danish children born between 1997 and 2014, and followed up with the records to determine if any of the children developed persistent wheezing and asthma between 1 and 15 years of age. Children whose parents had asthma had a higher likelihood of having asthma, as did children whose mothers smoked during pregnancy.

After adjusting for these factors, when the children were exposed to higher levels of small particle pollution and nitrate pollution, they were found to be more likely to develop asthma and persistent wheezing compared to children who were not exposed… (CNN, August 20, 2020)

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