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.
Causes of type 1 diabetes. The gradual destruction of beta cells in the pancreas that eventually results in the onset of type 1 diabetes is the result of autoimmune destruction. The immune system turning against the body's own cells is possibly triggered by an environmental factor exposed to people who have a genetic susceptibility.2.