Vitamin D deficiency as a risk factor for childhood allergic disease and asthma.

ABSTRACT:

Purpose of review

Over the past 2 years, the number of studies relating vitamin D deficiency and asthma and allergies has increased significantly. The purpose of this review is to update the last review in this journal and examine the evidence of the relationship between vitamin D deficiency and childhood asthma and allergies.

Recent findings

In the past 2 years since the last review, there have been many studies, both cross-sectional and prospective, that have investigated the effects of vitamin D on the inception and severity of asthma and allergies. Most, but not all, studies have shown that low vitamin D levels increase the risk for asthma and allergies, but a few suggest an increased risk with high levels. Results from small trials of short duration suggest that vitamin

SUBMITTER: Litonjua AA 

PROVIDER: S-EPMC3315849 | biostudies-literature | 2012 Apr

REPOSITORIES: biostudies-literature