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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.
Know the Risk Factors. Researchers have found a number of risk factors for liver cancer. While a risk factor is not a cause of liver cancer, it may increase a person's chances of developing the disease. These liver cancer risk factors may act together to increase the risk even more. Specific liver cancer risk factors include: 1  Having a chronic liver infection (such as hepatitis B or hepatitis C).