Men tend to experience incontinence less often than women, and the structure of the male urinary tract accounts for this difference. But both women and men can become incontinent from neurologic injury, congenital defects, strokes, multiple sclerosis, and physical problems associated with aging.
While urinary incontinence affects older men more often than younger men, the onset of incontinence can happen at any age. Incontinence is treatable and often curable at all ages.
Incontinence in men usually occurs because of problems with muscles that help to hold or release urine. The body stores urine—water and wastes removed by the kidneys—in the urinary bladder, a balloon-like organ. The bladder connects to the urethra, the tube through which urine leaves the body.
During urination, muscles in the wall of the bladder contract, forcing urine out of the bladder and into the urethra. At the same time, sphincter muscles surrounding the urethra relax, letting urine pass out of the body. Incontinence will occur if the bladder muscles suddenly contract or muscles surrounding the urethra suddenly relax.
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