Ask The Doctors

Some lifestyle changes help prevent prostate cancers

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Dear Doctor: I just had a scare with prostate cancer. The tests turned out negative, but it shook me up. Now I just want to make sure things stay that way. What should I be doing — and what can my two sons do — to reduce their risk? I’m 67, and they’re in their mid-40s. 

Dear Reader: Prostate cancer is the most common cancer in men. Only the various types of skin cancers, when bundled together into a single category, get diagnosed more often. The majority of prostate cancers are found in men 65 and older, so at 67, you fall into that demographic.

It is estimated that 1 in every 8 men will be diagnosed with prostate cancer. More than 250,000 new cases are expected to be diagnosed this year, and the cancer is predicted to cause 35,000 deaths. Although your sons are a generation younger, the risk factors and lifestyle changes that we’re going to discuss apply to them as well.

To understand how to reduce the risk of developing prostate cancer, let’s first take a look at the risk factors. These include age, race, tobacco use, being sedentary, eating a diet high in red meat and saturated fat, and family history. There’s nothing you can do to change your age, race or family history. However, the risks associated with all of these can play a role in decisions men make around when to begin screening for prostate cancer.

Men of average risk should talk to their doctor about screening at age 50. Men at higher risk, which includes those with a father or brother diagnosed with prostate cancer before age 65, should have the screening conversation at age 45. Because the mortality rate is highest in men of African and Afro-Caribbean descent, they should also discuss early screening with their health care provider.

Studies have shown that changes to the factors you have some control over can help reduce risk. This includes reaching and maintaining a healthy weight, getting regular exercise, and limiting red meat and saturated fats. Instead, shift to a diet with proteins such as fresh fish, chicken, turkey and healthful oils. Round things out with plenty of leafy greens, an assortment of fresh vegetables and fruit, whole grains, nuts and legumes. Steer clear of highly processed foods, which are loaded with salt, fat and added sugar, and have little to no nutritional value.

If you smoke, try to quit. Tobacco products of all kinds play a role in numerous diseases and conditions, including prostate cancer. They put the people around the smoker at risk as well. There’s no question that quitting is difficult, but smokers don’t have to go it alone — don’t be afraid to ask for help from your doctor.

Prostate cancers grow slowly and are slow to spread, so survival rates are quite good. The five-year survival rate is close to 100%. The 15-year survival rate is 95%. Cancers that are caught early are more easily treated, which makes being vigilant about screening all the more important. Thanks to new understanding about the prognosis of older men with slow-growing tumors, many doctors now counsel watchful waiting rather than immediate surgery.

 

Eve Glazier, M.D., MBA, is an internist and associate professor of medicine at UCLA Health. Elizabeth Ko, M.D., is an internist and assistant professor of medicine at UCLA Health.

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