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We all know glycemic index (GI) is a measure of how quickly food breaks down and delivers glucose to the body. It is easier for the body to process energy from food with a low GI measurement, meaning that glucose enters the bloodstream more slowly.

I just read about research in mice in order to investigate the relationship between dietary GI and the negative effects of aging on the eyes. The subjects were divided into two groups, differing in diet quality.

Results showed that the mice that were fed a diet of low GI foods had healthier retinas, as published in the October issue of the journal Aging Cell. This may be because lower levels of glucose boost the performance of different cell pathways responsible for protein processing.

This is just one more reason for me to lessen my intake of white bread and high GI foods.