What is the relationship between smoking and urinary incontinence?

• A. Smoking reduces the risk of SUI.
• B. Smoking has no impact on urinary incontinence.
• C. Smoking increases risk of SUI by raising coughing frequency and causing pelvic tissue degradation; quitting may improve symptoms.
• D. Smoking cures SUI.

Answer: (C)

Smoking affects urinary continence by weakening the pelvic floor through two main processes. First, smoking causes frequent coughing, which repeatedly increases pressure on the bladder and pelvic muscles. Over time this additional strain can loosen the supports around the urethra, making leakage more likely when everyday activities raise abdominal pressure. Second, the toxins in tobacco can degrade connective tissue and promote inflammation, further weakening pelvic tissues that help keep urine in place. Because of these mechanisms, smoking increases the risk of stress urinary incontinence, particularly if pelvic floor strength is already compromised by age, childbirth, or obesity. Quitting smoking can reduce coughing and allow pelvic tissues to recover some function, potentially improving symptoms. The other statements don’t fit because smoking does not lower risk, it does have an impact, and it does not cure SUI.