BPA Linked with Childhood Asthma in New Study

Exposure to the chemical bisphenol A, which is found in some plastics, food cans, and a number of other consumer products, has been linked with a higher risk of childhood asthma, a new study conducted by researchers at the Columbia Center for Children’s Environmental Health has found.  More from CNN:

A child’s chances of suffering with asthma were increased if BPA was detected in their urine samples at ages 3, 5 and 7. In addition, when BPA was measured in urine at age 3, the chances of wheezing by ages 5 and 6 were increased. Same thing for 7-year-olds: BPA meant later problems with wheezing.

An exception to the findings occurred among children with BPA measured in their urine at 5 years of age; those children did not have problems with wheezing during follow-ups one or two years later.

“What is important is that we were seeing the association at routine low doses of exposure,” said Dr. Kathleen Donohue, the lead study author.

One anomalous finding in the study, published Friday in the Journal of Allergy and Clinical Immunology: If BPA was detected in a mother’s urine during her third trimester of pregnancy, there was less likelihood that her child would have breathing problems at age five – the opposite of what researchers expected.

Government agencies consider BPA to be a product of concern, but have stopped short of banning it in all consumer products.  Last year, the FDA banned BPA from all baby bottles and sippy cups.

Image: Child with asthma, via Shutterstock

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