Sunlight sustains life on earth. Sunlight is essential for vitamin D synthesis in the skin. The
sun's ultraviolet rays can be hazardous, however, because excessive exposure causes skin …

Vitamin D is formed in human epithelial cells via photochemical synthesis and is also
acquired from dietary sources. The so-called classical effect of this vitamin involves the …

The New Public Health has established itself as a solid textbook throughout the world.
Translated into 7 languages, this work distinguishes itself from other public health textbooks …

OBJECTIVE: Single-center studies have suggested that hypovitaminosis D is widespread.
Our objective was to determine the serum levels of 25-hydroxyvitamin D (25 [OH] D) in a …

An adequate vitamin D status is essential during childhood and adolescence, for its
important role in cell growth, skeletal structure and development. It also reduces the risk of …

OBJECTIVES: The objectives were to characterize the vitamin D status of black and white
adolescents residing in the southeastern United States (latitude:∼ 33° N) and to investigate …

Worldwide, nutritional rickets continues to be an evolving problem with several causes. This
paper provides an updated literature review characterising the prevalence, aetiology …

Vitamin D is the sunshine vitamin. During exposure to sunlight, 7-dehydrocholesterol in the
skin absorbs ultraviolet B (UVB) radiation converting it to previtamin D3. Previtamin D3 …

Prevalence of hypovitaminosis D from previous NHANES reports did not account for assay
changes and drifts over time. Thus, published NHANES reports on vitamin D status for the …

Early in the twentieth century more than 80 percent of children in industrialized Europe and
North America were ravaged by the devastating skeletal consequences of rickets. Finding …