Urinary incontinence is the involuntary leakage of urine; in simple terms, to wee when you don't intend to. It is the inability to hold urine in the bladder because voluntary control over the urinary sphincter is either lost or weakened.
By Mayo Clinic Staff. The exact cause of type 1 diabetes is unknown. In most people with type 1 diabetes, the body's own immune system â which normally fights harmful bacteria and viruses â mistakenly destroys the insulin-producing (islet) cells in the pancreas.
Type 1 Diabetes. Type 1 diabetes is an autoimmune disease. An autoimmune disease results when the body's system for fighting infection (the immune system) turns against a part of the body. In diabetes, the immune system attacks the insulin-producing beta cells in the pancreas and destroys them. The pancreas then produces little or no insulin.