There is no evidence that you can prevent prostate cancer. But you may be able to lower your risk.
A diet that helps maintain a healthy weight may reduce your risk for prostatecancer. The American Cancer Society recommends:
Limiting high-fat foods
Cutting back on red meats, especially processed meats such as hot dogs, bologna, and certain lunch meats
Eating at least 2-1/2 cups of fruits and vegetables each day
Healthy food choices also include bread, cereals, rice, pasta, and beans...