Epidemiological studies have established a relationship between low levels of serum
vitamin D and reduced lung function in healthy adults, and asthma onset and severity in …

OBJECTIVE: To establish the relationship between vitamin D serum levels, pulmonary
function, and asthma control in children. STUDY DESIGN: We studied the relationship …

Vitamin D deficiency and insufficiency are increasingly being recognized in the general
population, and have been largely attributed to lifestyle changes (reduced exposure to …

Purpose Asthma and other allergic disorders have increased over the past decades in
nearly all nations. Many studies have suggested the role of vitamin D deficiency in both T …

Background: Asthma is one of the most prevalent chronic diseases worldwide, affecting
more than 200 million people. Vitamin D deficiency has been reported among individuals …

Background: There is no consensus on the association between vitamin D and asthma.
Objective: To determine the relationship between 25-hydroxyvitamin D [25 (OH) D] levels …

Background There is growing literature suggesting a link between vitamin D and asthma
lung function, but the results from systematic reviews are conflicting. We conducted this meta …

Vitamin D has been linked in some studies with atopy-and asthma-associated phenotypes in
children with established disease, but its role in disease inception at the community level is …

We investigated whether low 25-hydroxyvitamin D (25 (OH) D) levels were associated with
more lung function decline in adults with asthma and whether this association was modified …

Rationale: Little is known about vitamin D status and its effect on asthma pathophysiology in
children with severe, therapy-resistant asthma (STRA). Objectives: Relationships between …