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Vitamin D Deficiency Linked to Obesity

by Rathi Manohar on April 28, 2011 at 10:27 PM
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 Vitamin D Deficiency Linked to Obesity

Vitamin D deficiency seems to be prevalent among obese teens, triggering off an increased risk of chronic diseases according to researchers at Hasbro Children's Hospital.

The research team examined the level of vitamin D in 68 obese adolescents, and also studied the effect of treatment of the deficiency. They discovered that all the girls had a low level of the vitamin; 72 per cent had what was deemed to be deficient levels and 28 per cent had insufficient levels. Among the boys, 69 per cent had deficient levels and 22 per cent had insufficient vitamin D.

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After treatment, a repeat examination disclosed that although there was a notable improvement in the vitamin D level, serum vitamin D levels became normal in only 28 per cent of the teens.

Nor did further treatment improve the vitamin levels. The research team supposes that the vitamin may be confined in the body fat, not showing up in the tests.
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Vitamin D status is impacts muscle power and a deficiency may actually inhibit the obese teen's ability to increase physical activity.  Also, having fewer outdoor activities, and consequently, less sun exposure, leads to the vitamin deficiency. Adolescents don't eat enough vitamin D-rich foods such oily fish, eggs, and from fortified dairy products and breakfast cereals.

Zeev Harel, lead author of the study, has reported on the need for further studies to confirm that the stabilizing of vitamin D levels lowers the health risks brought about by obesity. 

  



Source: Medindia
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