It is not curable because the pancrease do not produce the hormone insulin which can help in storing sugar
By checking your blood sugar one will take medicines timely which will treat type1 diabetes
Regular high blood glucose levels can damage nerves, kidneys and eyes.
When people eat food the food breaks down into sugars which is only stored with the help of insulin. if insulin is not produced adequately then it is stored in the blood stream rising a person's blood glucose levels.