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Lifestyle changes and childhood asthma.
1Centre for Public Health Research, Massey University Wellington Campus, Private Box 756, Wellington, New Zealand. neil.pearce@lshtm.ac.uk
Indian Journal of Pediatrics
|May 5, 2012
Summary
Westernization
Area of Science:
- Environmental Health
- Epidemiology
- Immunology
Background:
- Global asthma prevalence has risen significantly in Western nations.
- Recent declines in Western countries contrast with rising rates in low- and middle-income nations.
- Established asthma risk factors do not explain these global trends.
Purpose of the Study:
- To investigate the impact of Westernization on asthma and allergy susceptibility.
- To identify environmental and social factors contributing to changing asthma prevalence.
- To understand the role of the intrauterine and infant environment.
Main Methods:
- Review of epidemiological data on asthma prevalence trends.
- Analysis of factors associated with Western lifestyle changes.
- Exploration of the combined effects of environmental exposures on infant immune development.
Main Results:
- No single factor explains increased asthma prevalence; a "package" of changes is implicated.
- Westernization introduces environmental shifts affecting intrauterine and infant development.
- Factors like maternal diet, smaller family size, and reduced infections are inconsistently linked to asthma risk.
Conclusions:
- The "package" of Western lifestyle changes likely increases susceptibility to asthma and allergy.
- Infant immune systems may be pushed towards higher asthma risk by these cumulative environmental factors.
- Further research is needed to fully elucidate the complex interplay of factors driving asthma trends.
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