Vitamin D deficiency could lead to heart problems - KWWL - Eastern Iowa Breaking News, Weather, Closings

Vitamin D deficiency could lead to heart problems

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WATERLOO (KWWL)-- African-American teenagers may be at risk for a future heart attack or stroke if they're not getting enough vitamin D.

Researchers linked vitamin D deficiency in African-American teens to arterial stiffness -- a known risk factor for heart disease.

The 44 teens who took part in the study lived in sunny Georgia , but 95 percent of them were still vitamin D deficient.

Researchers found teens who took 2,000  international units of vitamin D a day had adequate levels compared to those who only took the recommended 400 i-u's.

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