Patients with age-related macular degeneration (AMD) can slow the progress of the disease by reducing their intake of refined carbohydrates, according to a new study.
Researchers from Tufts University found that patients who ate the most foods with a high glycemic index (GI) were 17 per cent more likely to develop blinding AMD than the group that consumed the least.
The GI determines how quickly carbohydrates are broken down into glucose. High GI foods include white bread and white rice.
Dr Allen Taylor commented: "We feel we have identified a risk factor that could postpone the debilitating loss of vision with very little economic or personal hardship.
"Based on our data, limiting refined carbohydrate intake, such as by limiting sweetened drinks or exchanging white bread for whole wheat, in at-risk elderly could reduce the number of advanced AMD cases by eight per cent in five years."
Oats and whole-wheat versions of rice, pasta and bread are examples of low GI foods.
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