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Vitamin D Deficiency


Overview of Vitamin D Deficiency

overview

Vitamin D is produced through reactions with light that occur in the skin. Accordingly, most people will produce sufficient vitamin D if there is minimal exposure to sunlight. Vitamin D is important in maintaining normal function of the intestinal tract and the bones. It is important in regulating the amount of calcium in the body and in the blood stream. Aging decreases the body's ability to produce vitamin D. In addition, sunscreen can inhibit the skin reaction necessary for production of this vitamin.

Causes of Vitamin D Deficiency

causes

Vitamin D deficiency results from the inadequate production of vitamin D in the skin, from insufficient dietary supply or from the inability of the small intestine to absorb adequate amounts of the vitamin. In addition, there can develop resistance to the effects of vitamin D..

Signs and Symptoms of Vitamin D Deficiency

signs and symptoms

Lack of vitamin D can lead to Rickets in children and Osteomalacia in adults.
The symptoms of osteomalacia and rickets develop over long periods of time. They include painful bones. These are most commonly located ion the ribs, hips and legs. Difficulty getting up from a sitting position and unexpected bone fractures can occur.
In children, retardation of growth occurs. Swelling and pain is noted at the ends of bones. Bowing of the legs develops.


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Medical Content Last Updated on 07/12/2008

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