T1D is an autoimmune disease that damages the insulin-producing cells in your pancreas. Insulin is a hormone that helps your body use sugar (glucose) for energy. Without enough insulin, sugar builds up in your blood instead.
T1D is an autoimmune disease that damages the insulin-producing cells in your pancreas. Insulin is a hormone that helps your body use sugar (glucose) for energy. Without enough insulin, sugar builds up in your blood instead.