Summary: levels measured and a 50g dose of pharmaceutical grade glucose was administered. The blood glucose level changes were graphed and the area below the curve was recorded and labeled Area A. The same group of people then went through a number of tests where 50g of X (rice, bread, yams, pasta, oatmeal, oranges, etc) were administered and their blood glucose response graph and
Image Dimensions: 437 x 232
Image originally found here.