A member asked:

How does smoking cigarettes increase the risk of bladder cancer, since the smoke never gets to the bladder?

4 doctors weighed in across 2 answers

Many ways: The carcinogens travel throughout the body. Smoke --> lungs --> bloodstream.

Answered 7/10/2012

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Yes: Yes. Smoking is clearly a risk factor for bladder cancer (and also a certain type of kidney cancer). The reason this occurs is that we believe that the metabolites are degraded and pass through the urinary tract and through prolonged exposure to these carcinogens, the cells undergo malignant changes.

Answered 9/28/2016

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