Archive for December, 2007
Dietary Carbs Linked To Vision Loss
Consuming higher-than-average amounts of carbohydrates that cause blood sugar levels to spike and fall rapidly could be a risk factor for central vision loss with aging.
In a study led by Chung-Jung Chiu with Allen Taylor, both at the Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) in Boston, MA, the researchers analyzed dietary intake from more than 4,000 men and women aged 55 to 80 participating in the Age-Related Eye Disease Study, or AREDS.
Diets high in carbohydrates that are quickly digested and absorbed, resulting in a rapid rise in blood sugar levels, are considered high-glycemic-index diets. Examples of such "fast carb" foods are white bread, rice, potatoes and pasta, and also sugars and corn syrups. Carbohydrates leading to a more gradual rise and fall in blood sugar levels comprise low-glycemic-index diets. Such "slow carb" foods include whole-grain versions of bread, rice and pasta.
Central vision loss is one of the first signs of age-related macular degeneration (AMD), a disease that is one of the leading causes of blindness among the elderly.
Read the full story here:
http://www.sciencedaily.com/releases/2007/11/071126153729.htm
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