BACKGROUND: Respiratory syncytial virus (RSV) is the most important pathogen causing
severe lower respiratory tract infection (LRTI) in infants. Epidemiologic and basic studies …

Vitamin D is a key hormone in the regulation of calcium and phosphorus metabolism and
plays a pivotal role in bone health, particularly during pediatric age when nutritional rickets …

Purpose This paper visualizes the available data on vitamin D status on a global map,
examines the existing heterogeneities in vitamin D status and identifies research gaps …

OBJECTIVE: Observational studies suggest that serum levels of 25-hydroxyvitamin D (25
[OH] D) are inversely associated with acute respiratory infections (ARIs). We hypothesized …

Throughout evolution, sunlight-produced vitamin D in the skin has been critically important
for health. Vitamin D, known as the sunshine vitamin, is actually a hormone. Once it is …

Importance Epidemiological studies support a link between low 25-hydroxyvitamin D levels
and a higher risk of viral upper respiratory tract infections. However, whether winter …

To cite this article: Bozzetto S, Carraro S, Giordano G, Boner A, Baraldi E. Asthma, allergy,
and respiratory infections: the vitamin D hypothesis. Allergy 2012; 67: 10–17. Abstract The …

Background Epidemiologic and preclinical data, and a small randomized trial in Boston,
suggest that vitamin D supplementation may improve winter-related atopic dermatitis (AD) …

Rationale: Vitamin D insufficiency (a serum 25 (OH) D< 30 ng/ml) has been associated with
severe asthma exacerbations, but this could be explained by underlying racial ancestry or …

Ob jec ti ve: Vitamin D deficiency is an important health problem in both developed and
developing countries. Recent reports on the extraskeletal effects of vitamin D have led to …