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Hi GI Carbs Contribute to Blindness

Carbohydrates in certain diets are found to up the risk of age-related macular degeneration (AMD), the most common cause of blindness among the elderly, according to a published report in the American Journal of Clinical Nutrition.

“AMD appears to share several carbohydrate-related mechanisms and risk factors with diabetes-related diseases, including (eye) and cardiovascular disease,” said Dr. Allen Taylor of Tufts University in Boston.

Researchers brought in 4,099 participants, aged 55 to 80 years, and were asked to undergo the Age-Related Eye Disease Study. Based on the severity of the diseases and other factors, the team classified 8,125 eyes into 1 out of 5 AMD groups.

A diet with a high glycemic index (GI), showed that there was a significant increase in the risk of AMD, compared to a diet with a low glycemic index. Researchers also conclude that 20 percent of AMD cases would have been prevented had those participants consumed a diet with low glycemic index.

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