Diabetes is a disease that occurs when blood sugar levels are too high. Excessive glucose molecules in the bloodstream can bind to hemoglobin and form what's called glycated hemoglobin, or HbA1c.

In a blood glucose test result, you may see the terms “fasting” or “random.” “Random” means at any time, without regard to when you last ate. For the result to be used to diagnose ...

My blood glucose has crept up from 100 to 112 in one year after I started taking 40 mg of atorvastatin. My A1C level is 5.1%, apparently “normal,” so my doctor is unconcerned about the blood ...