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Air Pollution Effects in Allergies and Asthma
Anil Nanda1, Syed Shahzad Mustafa2, Maria Castillo3
1Division of Allergy and Immunology, Asthma and Allergy Center, Lewisville and Flower Mound, Texas, University of Texas Southwestern Medical Center, Dallas, TX, USA.
Immunology and Allergy Clinics of North America
|October 20, 2022
Summary
Outdoor air pollution worsens allergic diseases like asthma. Pollutants damage the respiratory tract
Area of Science:
- Environmental Health
- Allergology
- Pulmonology
Background:
- Global urbanization and industrialization correlate with increased allergic disease prevalence.
- Outdoor air pollution is a significant environmental factor linked to allergic conditions.
- Epithelial disruption by air pollutants contributes to various diseases.
Purpose of the Study:
- To review the health effects of air pollution on allergic disorders.
- To examine the impact of air pollution on respiratory tract epithelial barriers.
- To elucidate mechanisms linking air pollution exposure to allergic disease exacerbations.
Main Methods:
- Literature review of studies on air pollution and allergic diseases.
- Analysis of research on air pollutant effects on epithelial integrity.
- Synthesis of evidence regarding respiratory tract barrier function.
Main Results:
- Air pollutants are associated with increased severity of asthma and allergic rhinitis.
- Exposure to pollutants disrupts the epithelial barrier in the upper and lower airways.
- Impaired epithelial barrier function facilitates allergic disease development and exacerbation.
Conclusions:
- Outdoor air pollution poses a significant threat to respiratory health, exacerbating allergic diseases.
- Protecting the respiratory epithelial barrier is crucial in mitigating the health impacts of air pollution.
- Further research is needed to understand and combat the effects of air pollution on allergic conditions.
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