Air pollution, airway inflammation, and lung function in a cohort study of Mexico City schoolchildren
2008

Air Pollution and Lung Function in Schoolchildren

publication Evidence: moderate

Author Information

Author(s): Barraza-Villarreal Albino, Escamilla-Nuñez Consuelo, Hernández-Cadena Leticia, Romieu Isabelle, Ruiz-Velasco Silvia, Sunyer Jordi

Primary Institution: Instituto Nacional de Salud Publica de México

Hypothesis

Does exposure to air pollution negatively affect lung function in schoolchildren?

Conclusion

The study confirms that air pollution exposure is associated with reduced lung function in schoolchildren.

Supporting Evidence

  • Previous studies have shown that air pollution negatively impacts lung function.
  • Exposure to particulate matter and gases like ozone is linked to decreased lung function.
  • Replication of findings in different populations strengthens the evidence for the association.

Takeaway

Breathing dirty air can make it harder for kids to breathe well.

Methodology

The study used ecologic indicators of air pollution exposure rather than personal dosimeters.

Potential Biases

There is a risk of exposure misclassification due to the method of measuring air pollution.

Limitations

The study relied on fixed-site ambient monitors, which may underestimate the effects of air pollution.

Participant Demographics

Schoolchildren in Mexico City.

Digital Object Identifier (DOI)

10.1289/ehp.11804

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