This is a test of commonsense. Complete the next sentence:

How to reduce the risk of prostate cancer 
Learn about personal risk factors. 
Some of the major personal risk factors for prostate cancer are age and family history. The risk of prostate cancer increases the older you get.
Although approximately 75% of the cases of prostate cancer have no pattern or order, about 20% of those with prostate cancer have had cases of the disease in their family previously. There are also approximately 5% of cases that are hereditary.