Kids who are exposed in utero to high levels of particulate air pollution during the second trimester of pregnancy may be at greater risk of developing asthma in early childhood.
This is according to a new study presented at the 2014 American Thoracic Society International Conference.
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"We know that mothers' exposure to air pollution during pregnancy can affect lung development of their babies and lead to subsequent respiratory disorders, including asthma, although little is known about whether timing of the exposure is important to consider," said lead author Yueh-Hsiu Mathilda Chiu, ScD, from the Department of Pediatrics at Icahn School of Medicine at Mount Sinai in New York. "In our study, we assessed whether higher exposure to particulate air pollution at more specific time windows in pregnancy were particularly linked to higher asthma risk in urban children."
The study included 430 full-term children followed to age 7 years and their mothers. Daily exposure to air pollution from sources including traffic, power plants, and other industrial sources consisting of fine particles in the prenatal period was estimated based on where these mothers lived. These fine particles, which are more likely to be inhaled deep into the lungs, have been linked to the greatest health risk and previous studies have suggested that effects on pregnant women can be transferred to the growing baby.
![Connection between Air Pollution Exposure and Increase in Risk Factors for Diabetes and Obesity Explored]( "Connection between Air Pollution Exposure and Increase in Risk Factors for Diabetes and Obesity Explored")
Researchers are providing insight into the connection between the air pollution and increased risk of obesity, diabetes and chronic kidney disease.
The researchers found that exposure to higher levels of fine particles in the second trimester was most strongly associated with increased asthma onset among the children, particularly for those born to non-obese mothers. "It is possible that the effect of maternal obesity, another known risk factor of childhood asthma onset, may be so strong that it was difficult to determine additional effects of air pollution among children born to obese mothers in this setting." "While we should continue to improve air quality and minimize exposure to pregnant women throughout the entire pregnancy for a host of health reasons," said Dr. Rosalind Wright, MD MPH, senior investigator from the Department of Pediatrics at Icahn School of Medicine at Mount Sinai, "pinpointing the gestational period during which air pollution has the greatest effects on the developing lung may add to our understanding of the mechanisms underlying this relationship."
Source: Eurekalert
Connection between Air Pollution Exposure and Increase in Risk Factors for Diabetes and Obesity Explored
Researchers are providing insight into the connection between the air pollution and increased risk of obesity, diabetes and chronic kidney disease.
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The researchers found that exposure to higher levels of fine particles in the second trimester was most strongly associated with increased asthma onset among the children, particularly for those born to non-obese mothers. "It is possible that the effect of maternal obesity, another known risk factor of childhood asthma onset, may be so strong that it was difficult to determine additional effects of air pollution among children born to obese mothers in this setting." "While we should continue to improve air quality and minimize exposure to pregnant women throughout the entire pregnancy for a host of health reasons," said Dr. Rosalind Wright, MD MPH, senior investigator from the Department of Pediatrics at Icahn School of Medicine at Mount Sinai, "pinpointing the gestational period during which air pollution has the greatest effects on the developing lung may add to our understanding of the mechanisms underlying this relationship."
Source: Eurekalert
Air Pollution from Traffic Linked to Asthma Among White Children
A new study found how white children were more likely to be admitted to the hospital due to asthma after a higher exposure to traffic related air pollution
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Seven Million Deaths in 2012 Owing to Air PollutionSources of air pollution ranging from cooking fires to auto fumes have contributed to an estimated seven million deaths worldwide in 2012, revealed the UN health agency on Tuesday. | Advertisement
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