Parental stress plus pollution factors in childhood asthma

From the Time article:

Studying a combination of factors can help explain why some kids are more likely to develop asthma than others, says Rob McConnell, lead author of the study published in the Proceedings of the National Academy of Sciences. "Childhood asthma is a complex disease, and probably has many contributing causes," he says. "This study provides another clue to what might be causing it."

The results also shed light on how risk factors such as stress can increase the vulnerability of the respiratory system to environmental pollution or allergens.

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