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Friday, August 19, 2016

Diabetic Retinopathy Risk Drops With Diet Rich in Marine PUFAs


Eating at least two weekly servings of oily fish, rich in omega-3 polyunsaturated fatty acids (PUFAs), can help middle-aged and older people with type 2 diabetes reduce their risk for diabetic retinopathy, suggests a post hoc analysis of a major diet trial.

After adjusting for factors including age, sex, and intervention group, researchers from the PREDIMED trial found that participants who were 55 years or older and consumed at least 500 mg/day of omega-3 PUFAs showed a 48% reduced risk for incident diabetic retinopathy compared with those who consumed less than 500 mg/day (hazard ratio, 0.52; P = .001).

"Higher risk reductions were observed in participants with hypertension, those with diabetes of greater than 5 years' duration, and those treated with insulin at baseline," according to the report from Aleix Sala-Vila, DPharm, PhD, a researcher at CIBER-Fisiopatología de la Obesidad y Nutrición, Institut d'investigacions Biomèdiques August Pi i Sunyer, in Barcelona, Spain, and colleagues, published online August 18 in JAMA Ophthalmology.


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