Overweight kids deficient in vitamin D

Doctors in one study compared vitamin D levels in 411 obese kids to 87 normal-weight kids, aged 6 to 16.

Children told researchers about their daily diets including soda, juice, milk, fruit and vegetables, as well as how often they skipped breakfast. Half of the obese children were deficient in vitamin D compared to 22 percent for normal-weight kids, and 92 percent were low in vitamin D, compared to 68 percent for normal-weight kids. The more kids skipped breakfast, and drank soda and juice, the lower the levels of vitamin D.

Obese kids were also more likely to show signs of insulin resistance, and doctors said that while this study does not prove a cause-and-effect relationship, they suspect low vitamin D levels may play a role in developing type 2 diabetes. 

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