Tags: vitamin | obesity | diabetes

Low Vitamin D, Obesity Hike Diabetes Odds

Thursday, 19 July 2012 10:22 AM

Obesity plus vitamin D deficiency adds up to a dangerous double-whammy that can significantly raise the chances of developing diabetes, new research shows.
Drexel University School of Public Health researchers noted excess weight and low vitamin D both raise the risk for insulin resistance and diabetes. But when the two factors are combined they greatly compound the dangers.
The study, published in the journal Diabetes Care, noted type 2 diabetes affects 25.6 million Americans and is the seventh leading cause of death in the United States.
"Vitamin D insufficiency and obesity are individual risk factors for insulin resistance and diabetes," said lead researcher Shaum Kabadi. "Our results suggest that the combination of these two factors increases the odds of insulin resistance to an even greater degree than would have been expected based on their individual contributions."
The findings were based on an analysis of health records of 5,806 participants in the long-running study known as the National Health and Nutrition Examination Survey (NHANES). Researchers found obese individuals with healthy levels of vitamin D had insulin resistance almost 20 times more often than the overall study population. But in obese people whose vitamin D was also low, insulin resistance was much higher – about 32 times more often than the average.
"It's not clear whether obesity itself causes a low vitamin D level or if it's the other way around," said researcher Dr. Longjian Liu.
Researchers said additional studies could determine whether vitamin D supplements are effective at reducing the risk of insulin resistance and diabetes in obese individuals.
Vitamin D deficiency and obesity are also associated with heart disease, stroke, depression, dementia and other conditions.

© HealthDay

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People with high body fat who are also vitamin deficient are far more likely to develop diabetes.
Thursday, 19 July 2012 10:22 AM
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