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Type 1 or Type 2 Diabetes?

After diabetes is diagnosed, other tests will be required to determine what type of diabetes you have. If you're insulin deficient, you will need insulin replacement therapy with injections (type 1). If you are insulin resistant, adjustments to your diet and lifestyle, or in some cases oral medication may be all that is required (type 2).

Type 1 Diabetes
Graphic about how our bodies use insulin and glucoseAlthough type 1 diabetes (often called juvenile onset diabetes) used to be categorized as a childhood or young adult disease, it can occur at any age. Type 1 diabetes symptoms begin out of nowhere and can develop over just a few days. If the person doesn't have a family history of the disease, the possibility of diabetes may not even be considered. Statistical studies show that the average age for the onset of type 1 diabetes is 14 years.

Type 2 Diabetes
Physical health appears to be the key to this syndrome — eighty percent of type 2 diabetics are overweight and physically inactive. This was once thought to be a middle-aged disease, but since childhood obesity has been on the rise, cases of type 2 diabetes are being diagnosed at every age. However, the majority of type 2 diabetics are still over 55.

Some high-risk groups of people are inclined to develop the syndrome:

  • people whose parents, brothers or sisters have the syndrome
  • Americans of African, Alaska Native, American Indian, Asian, Hispanic, or Pacific Islander descent in the U.S.
  • women who have given birth to a baby weighing more than 9 pounds
  • women who have had diabetes during pregnancy (gestational diabetes).
Type 2 diabetes is a gradual syndrome with the signs of diabetes developing over years. Although the person may experience excessive urination and thirst, there may be no other apparent diabetic signs. Weight loss and hunger may go unnoticed. For this reason, annual screening for the disease after age 45 is a good idea, especially for anyone who is in a high-risk category.

Type 2 Diabetes and Childhood Obesity
Type 2 diabetes is often called adult onset diabetes because it is most often diagnosed after the age of forty. However, the disease is being diagnosed more frequently in children. Childhood obesity and lack of exercise have been blamed for recent increases in cases of childhood type 2 diabetes.

Eleven percent of American children suffer from childhood obesity, with an even higher percentage considered overweight but not obese. Type 2 diabetes is becoming a serious health risk for many youngsters.

How is the Type of Diabetes Determined?
Basically, type 1 diabetics do not have enough of the blood hormone insulin. In contrast, type 2 diabetics can produce enough insulin, but they are not able to use it properly. One commonly used test evaluates the blood for the presence of a chemical called c-peptide, which is produced in amounts equal to insulin. If insulin production is low or non-existent, the amount of c-peptide in the blood will mirror this. A negative or very low result suggests type 1 diabetes. Those with type 2 diabetes often have c-peptide levels falling into the normal range.
 
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Last modified 18 September 2006
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