Values between 20 and 25 are associated with the lowest risk of illness. Values below 20 or over 27 indicate that a person is at higher risk of illness. The sources of calories in a diet are carbohydrate, protein, alcohol and fat. Capillary walls are so thin that oxygen and glucose can pass through them and enter the cells. Waste products, such as carbon dioxide, pass back into the bloodstream via the capillaries to be carried away and expelled from the body.
Carbohydrate breaks down into glucose during digestion and raises blood glucose levels.
They tend to occur in people over 50 years of age, but can occur at a younger age and advance more rapidly in the presence of diabetes. If left untreated, cataracts can cause blindness. Too much saturated fat and dietary cholesterol may be associated with arteriosclerosis. COMA is a state of unconsciousness. In diabetes, it may result from a variety of causes including severe hypoglycemia or severe ketoacidosis.