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Study: Some African-American diabetics at risk of developing retinal disease

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NEW YORK African-American diabetics who consume large amounts of calories and sodium risk developing more severe retinal disease than those who don’t, according to a study published in the January issue of Archives of Ophthalmology.

Researchers at the New York University College of Dentistry and the New Jersey Medical School at the University of Medicine and Dentistry of New Jersey examined 469 African-American patients with Type 1 diabetes who enrolled in the study between 1993 and 1998, administering eye exams, blood tests and a diet questionnaire after a six-year follow-up.

Those with the highest caloric intake at the beginning of the study were more likely to develop retinopathy leading to vision loss by the end of the six-year period, while those with high sodium intake had the highest risk of developing macular edema.

“In African American patients with Type 1 diabetes, high caloric and sodium intakes are significant and independent risk factors for progression to severe forms of diabetic retinopathy,” the authors wrote. “These results suggest that low caloric and sodium intakes in African American individuals with Type 1 diabetes mellitus may have a beneficial effect on the progression of diabetic retinopathy and thus might be part of dietary recommendations for this population.”

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