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Risk factors for bladder cancer. A risk factor is something that increases the risk of developing cancer. It could be a behaviour, substance or condition. Most cancers are the result of many risk factors. Smoking is the most important risk factor for bladder cancer. The risk of developing bladder cancer increases with age. It usually occurs in people older than 65 years of age. Bladder cancer is most common in Caucasians, and men develop this disease more often than women.
Total alcohol consumption was not significantly associated with bladder cancer risk nor was drinking wine or spirits in particular. In contrast, beer seemed to reduce the risk. Subjects who consumed more than four drinks of beer per week were 50 percent less likely to develop the malignancy than were non-drinkers.