Obesity-related asthma in children: A role for vitamin D

Brian P O'Sullivan1, Laura James2, Joseph M Majure3

  • 1Department of Pediatrics, Geisel School of Medicine at Dartmouth College, Hanover, New Hampshire, USA.

Pediatric Pulmonology
|September 15, 2020
PubMed

Insights

Children with asthma and obesity often have low vitamin D levels. This review explores vitamin D supplementation as a potential safe therapy for obesity-related childhood asthma, noting limited research on its effectiveness.

Area of Science:

  • Pediatric Allergy and Immunology
  • Nutritional Biochemistry
  • Pediatric Endocrinology

Background:

  • Excess adipose tissue is linked to increased inflammation and can worsen asthma severity in children.
  • Low serum vitamin D levels are prevalent in children with both asthma and obesity.
  • Vitamin D possesses anti-inflammatory properties, suggesting a potential role in managing inflammatory conditions.

Purpose of the Study:

  • To review the complex interplay between asthma, obesity, and vitamin D deficiency (hypovitaminosis D) in pediatric populations.
  • To explore the potential of vitamin D supplementation as an adjunctive therapy for childhood asthma, particularly in cases associated with obesity.
  • To highlight the current gaps in research regarding vitamin D pharmacokinetics and therapeutic efficacy in children with obesity-related asthma.

Main Methods:

  • Literature review synthesizing current research on asthma, obesity, hypovitaminosis D, and vitamin D supplementation in children.
  • Analysis of existing studies examining the relationship between body mass index, asthma control, and vitamin D status.
  • Identification of research needs concerning vitamin D pharmacokinetics and clinical outcomes in pediatric obesity and asthma.

Main Results:

  • Children with asthma and obesity frequently exhibit low vitamin D levels.
  • Vitamin D supplementation is a proposed safe and inexpensive adjunctive therapy for various conditions.
  • There is a significant lack of research on the pharmacokinetics and therapeutic benefits of vitamin D in children with obesity-related asthma.

Conclusions:

  • The intersection of childhood asthma, obesity, and hypovitaminosis D warrants further investigation.
  • Vitamin D supplementation may offer a safe therapeutic avenue for pediatric obesity-related asthma.
  • More research is crucial to understand vitamin D's role and optimize its use in this specific pediatric population.

Related Concept Videos

Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
1.0K
Role of Skin in Vitamin D Synthesis01:23

Role of Skin in Vitamin D Synthesis

The skin plays a crucial role in the synthesis of vitamin D, a vital nutrient for various physiological processes in the body. Vitamin D is unique because it can be synthesized in the skin through a series of chemical reactions triggered by exposure to ultraviolet B (UVB) radiation from sunlight.
The solar UV B rays (290-315 nm) are absorbed by the skin, and 7-dehydrocholesterol (provitamin D3) photolyzes it to previtamin D3, which undergoes a rapid transformation to vitamin...
7.2K
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
3.8K
Asthma-I: Introduction01:29

Asthma-I: Introduction

Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
3.2K
Asthma-IV: Diagnostic and Management01:30

Asthma-IV: Diagnostic and Management

The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
2.9K
Asthma-III: Symptoms and Complications01:24

Asthma-III: Symptoms and Complications

Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
3.1K