More Thoughts on the Glycemic Index

In the last post, I reviewed the controlled trials on the effect of the glycemic index (GI) of carbohydrate foods on health. I concluded that there is not much evidence that a low GI diet is better for health than a high GI diet. It is true that for the "average" individual the GI of carbohydrate foods can affect the glucose and insulin response somewhat, even in the context of an actual meal. If you compare two meals of very different GI, the...