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Obesity and asthma.

¹Division of Asthma, Allergy and Lung Biology, King's College London, UK. sue.chinn@kcl.ac.uk

Paediatric Respiratory Reviews

|August 30, 2006

Summary

Obesity in children and adolescents may be linked to asthma, but evidence is inconsistent. Further research, including intervention studies, is needed to confirm this association.

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Area of Science:

Pediatric Health
Respiratory Medicine
Obesity Research

Background:

Existing literature suggests a potential link between obesity and asthma or asthma-like symptoms.
Previous reviews have not specifically focused on children and adolescents.
Studies exhibit variability in defining overweight/obesity and in outcome measures (symptoms vs. diagnosed asthma).

Purpose of the Study:

To review and synthesize evidence on the association between obesity and asthma in children and adolescents.
To identify inconsistencies and gaps in the current research.

Main Methods:

Systematic review of studies examining obesity and asthma in pediatric populations.
Analysis of studies with varying definitions of obesity and outcome reporting.

Main Results:

Three studies indicated a higher incidence of diagnosed asthma in obese children compared to non-obese children.
Evidence for a stronger association in girls than boys is limited.
Studies in Western societies lack objective evidence, suggesting potential reporting bias or diagnostic bias.

Conclusions:

The association between childhood obesity and asthma remains uncertain due to inconsistent findings and methodological variations.
Further research, particularly intervention studies targeting obesity, is crucial to establish causality.

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