Your BMR (Basal Metabolic Rate) is an estimate of how many calories your body burns at rest. It represents the minimum amount of energy needed to keep your body functioning, including breathing and keeping your heart beating. Your BMR uses up about two-thirds of your daily calories.
1 Diabetes-related complications include damage to large and small blood vessels, which can lead to heart attack and stroke, and problems with the kidneys, eyes, feet and nerves. 2  The risk of most diabetes-related complications can be reduced.  Regular screening is important to detect complications early.
Insulin Ineffectiveness. Now that you know the symptoms of diabetes -- high blood glucose, excessive hunger and thirst, frequent urination -- let's look at what happens to your body during diabetes. For the purposes of this discussion, let's suppose that you have undiagnosed, and therefore unmanaged, diabetes.ow, let's see how the lack of insulin or insulin-resistance affects your body to produce the clinical symptoms and signs of diabetes: Your lack of insulin or insulin resistance directly causes high blood-glucose levels during fasting and after a meal (reduced glucose tolerance).