Items tagged “#nutrition”
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Hypovitaminosis A results from inadequate intake of vitamin A, fat malabsorption, or liver disorders and produces a variety of epithelial alterations. Epidemiology The World Health Organization currently estimates that 45-122 countries have a vitamin A deficiency of public health significance ...
Vitamin D (calciferol) is used to describe a group of five fat-soluble secosteroid vitamins required for the homeostasis of serum calcium and phosphorus. Vitamin D exists in two main forms (vitamers) in humans: ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3). Vitamin D3 acts by re...