This is a very interesting interview by Erin Chamerlik, a holistic educator; she is interviewing Dr. Robert Su. It is interesting that the fasting blood sugar does not tell the whole story. Dr. Su has written the book, Carbohydrates Can Kill. This is what Dr. Su said to me:
"A normal reading of blood glucose at fasting and/or 2-hour postprandial or post-glucose tolerance test does not tell us the whole story. It is more important to have a less fluctuating and lower blood glucose level throughout the entire postprandial period. A Silent Killer: Hyperglycemia At Anytime But Fasting and 2-hour Postprandial http://www.
I am thinking if one is at all worried, it might not be a bad idea to buy a blood glucose meter and check one's blood sugar from time to time.