of the pancreatic islet cells in patients whose cancer cannot be removed by surgery. BG less than 70 mg/dl (3.9 mmol/l). "Genetic risk factors for type 1 diabetes". American
This could be due to lack of the hormone insulin or because the insulin that is available is not working effectively.The pancreas cannot keep up with the increased demands, and the excess blood sugar starts to circulate in the blood, causing damage.
There are rapid, regular, intermediate, and long-acting insulins.Some people may use short-acting insulin or a combination of insulin types.