Share 'Does fiber lower down glycemic index?'

Hi guys, I came across the article below: http://www.sciencedaily.com/releases/2007/09/070926094725.htm It's said there are many factors that can influence the glycemic index of a food. For example, a piece of white bread may have a high glycemic index but, if a person eats a slice of turkey and cheese with that bread, the effect of the multiple foods may result in a different glycemic index...