The diaphragm, next time just google it lol
Answer: The glycemic index is a system of assigning a number to carbohydrate-containing foods according to how much each food increases blood sugar. The glycemic index itself is not a diet plan but one of various tools such as calorie counting or carbohydrate counting for guiding food choices.
Explanation:
It should be fifteen to twenty percent of north american adults
I'm pretty sure that would be false and would also go against some of the points of what your talking about. Not to mention it's rude to do so. I'm pretty sure anyways.
Hope that helps.