Disagreements regarding Glycemic Index
Posted Monday, May 2, 2011 at 8:30 PM
I had been persuaded by Dr. John McDougall and Jeff Novick, over at the McDougall discussion forum, that the glycemic index is not worth paying attention to. This is true even for diabetics, assuming they eat a low-fat plant based diet and choose less refined, less processed foods.
However, I see that this site believes that the glycemic index is useful. Since there is so much agreement on about most of what constitutes a healthy diet, why is there disagreement on glycemic index?
Jeff Novick, the nutritionist who works with Dr. McDougall, mentions that when he worked at the Pritikin Longevity Center, they were successful in getting thousands of diabetics (type II) off of their medication. And they didn't use the glycemic index.
In any case, I have been eating a plant based diet that is low fat and whole foods oriented for about 6 months now. I am not diabetic. But my father is diabetic. So, I'd like to be more knowledgable about Type 2 diabetes and the glycemic index.
Let me ask my question this way: If my father (who has not yet been proscribed medication for diabetes) decided to switch to Dr. Neal Barnard's diet as described in "Program for Reversing Diabetes," but decided to eat white potatoes instead of sweet potatoes, would my father's health be in trouble due to the nutritional differences between the sweet and white potato?