Good glycemic foods are still carbohydrates, but make it easier for the diabetic to digest and are much healthier and preferable than those glycemic foods with high ratings on the Glycemic Index. Substitutions are available for foods that rate high on the Glycemic Index and are widely available in supermarkets and other food stores. There are many different types of insulin on the market today and, as is the case with oral medications, it may take several different insulin types in order to find the correct balance that will insure good glucose levels. Some insulin, such as Humalog, is very short acting and peaks within an hour after injection. Diabetics who get kidney disease acquire this life threatening condition because they are unable to dispose of the waste products of sugars and starches through their systems. These foods remain in their system and do not break down and eliminate, as they do in others without the disease. The sugars and starches stay in the system and cause the blood sugars to rise to high levels that can be dangerous. Because high blood glucose levels make it difficult to stave off infection, a diabetic with a sore on their foot must be treated differently than a person without diabetes. The sore may be very slow to heal, if it heals at all. Infection often sets in. This can lead to gangrene and, in some cases, amputation. Symptoms can mirror the flu or other illnesses. If you are experiencing frequent thirst, excessive urination and a substantially increased appetite, have yourself checked out for diabetes. Fatigue is also a symptom of diabetes and Type I Diabetes may cause loss of weight, despite increased eating. The reason for the symptoms is because of the glucose concentration in the blood, also called glycemia. There have been many instances where those who have been obese and who have lost weight have also lost diabetes. This reversal effect, however, only works with those who contacted the disease by being overweight. Those who contact diabetes through a genetic disposition cannot reverse the condition. Weight control in diabetes management can take many facets.