The potential role of vitamin D in the link between obesity and asthma severity/control in children

Phuong Vo, Megan Bair-Merritt, Carlos A. Camargo

Research output: Contribution to journalArticlepeer-review

Abstract

Childhood obesity and asthma are major public health problems. Obesity is not only associated with increased risk of incident asthma, but it may worsen asthma severity/control. Although the mechanisms linking obesity with asthma expression have not been completely elucidated, evidence suggests that increased frequency of acute respiratory infection (ARI) and decreased corticosteroid responsiveness may help to explain how obesity worsens asthma expression. In addition, obese individuals have low vitamin D status, and emerging evidence suggests vitamin D affects risk of ARI and corticosteroid responsiveness in individuals with asthma. In this review, we summarize the association between obesity and asthma severity/control in children and discuss ARI and corticosteroid responsiveness as potential mediators in the obesity-asthma pathway. We also discuss the potential role of vitamin D, including a brief summary of recent randomized controlled trials of vitamin D supplementation.

Original languageEnglish (US)
Pages (from-to)309-325
Number of pages17
JournalExpert review of respiratory medicine
Volume9
Issue number3
DOIs
StatePublished - Jun 1 2015

Keywords

  • acute respiratory infection
  • asthma
  • children
  • corticosteroid responsiveness
  • obesity
  • vitamin D

ASJC Scopus subject areas

  • Immunology and Allergy
  • Pulmonary and Respiratory Medicine
  • Public Health, Environmental and Occupational Health

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