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.
The exact cause of type 1 diabetes is unknown. What is known is that your immune system â which normally fights harmful bacteria or viruses â attacks and destroys your insulin-producing cells in the pancreas. This leaves you with little or no insulin.