Prostate protection — diet may play a huge part in reducing men’s disease risk


October 2010 Issue

Prostate Protection — Diet May Play a huge part in reducing Men’s Disease Risk

By Maura Keller

Today’s Dietitian

Vol. 12 No. 10 P. 14

Think about this: Based on the American Cancer Society, cancer of the prostate is easily the most common nonskin malignancy among men of races. All males are in danger of developing prostate cancer—in fact, 1 in 6 men shall be identified as having cancer of the prostate in the lifetime, only one out of 36 will die of the disease. Even though you will find key risks for developing prostate cancer, including age, race, and genealogy, diet can enjoy a substantial role in assisting defend against this ailment.

Standout Factors

Associated with pension transfer diet research, diet’s role in prostate cancer prevention continues to be hard to pin lower, however, many factors stick out.


“Men who consume less food fats (from meats and dairy products) and much more vegetables and fruit possess a lower chance of developing cancer of the prostate,Inches states Robin McConnell, MS, RD, clinical diet coordinator in the John Theurer Cancer Center at Hackensack College Clinic in Nj. “Grilled, charred meats create a carcinogen that may concentrate within the prostate and potentially trigger DNA changes resulting in prostate cancer.”

As Meagan Kennedy, RD, LD, from the oncology, cardiology, and inpatient rehab units at St. Francis Hospital in Greenville, S.C., explains, “Prostate cancer is a lot more common in countries where dairy and meat are nutritional staples, like the U . s . States. Lifestyle and diet might help help with protection against cancer of the prostate, alter the progress, and lower chance of recurrence.”

It shojuld not be a surprise the American Cancer Society recommends a minimal-fat, elevated-fiber, and nutrient-dense diet. “Eating an eating plan lower in saturated fats can lead to maintaining a proper weight weight problems may modify the amounts of hormones affecting cancer of the prostate incidence,” Kennedy states. “To reduce saturated fats in what you eat, people should limit animal products, try soy-based products, choose low-fat or free of fat rather, and select 1% or skim milk, light or fat-free yogurt, tofu, edamame, tempeh, [and] part-skim and white-colored cheeses.”


Vegetables and fruit within their most colorful form possess the greatest dietary bang for his or her buck. Hued foods consist of effective plant compounds known as phytochemicals, which could defend against cancer, heart disease, and stroke help preserve eyesight fight joint disease discomfort and boost levels of energy.

Cruciferous vegetables for example broccoli, cauliflower, The city sprouts, kale, and cabbage contain di-indolylmethane, which might offer some protection against cancer of the prostate.

“Lycopene, present in cooked and raw tomato products and watermelon, acquired prestige following a Harvard study demonstrated that men that ate more than 10 areas of tomato-based foods each day were built with a 35% lower chance of developing cancer of the prostate,Inches McConnell states.

Kennedy recommends that her oncology patients eat in the rainbow, including vegetables and fruit of colors to make sure a nutrient-dense diet full of antioxidants and phytochemicals, which offer cancer cell-fighting qualities.

“I also suggest incorporating more omega-3s, which may be present in foods for example salmon, spanish mackerel, tuna, flaxseeds, walnuts, soybeans, navy beans, kidney beans, essential olive oil, [and] winter squash or could be supplemented in liquid or pill form,” Kennedy states. “You may also simply improve your daily fiber intake by looking into making half your grains whole grain products (whole-wheat bread or pasta, rye bread, bulgar wheat, oatmeal, brown grain, quinoa), and eating five or even more servings each day of fresh vegetables and fruit (include skins).”

Weight problems

Weight problems is really a major risk factor for cancer of the prostate. As Jodi Newson, MS, RD, CSO, director of diet services in the Tower Hematology Oncology Medical Group and also the Center for Radiotherapy of Beverly Hillsides, explains, “Many printed studies correlate weight problems before age 30 with elevated chance of developing not just cancer of the prostate however a recurrence of cancer of the prostate, more aggressive disease, and elevated chance of dying from cancer of the prostate. An eating plan full of fat also increases risk. To put it simply, if your man was obese just before age 30, he’s a significantly greater possibility of dying from prostate cancer should he get diagnosed. Also, any obese man with cancer of the prostate includes a greater possibility of dying from this.Inches

Weight problems during the time of cancer of the prostate diagnosis seems to possess a negative impact on lengthy-term survival. “A study conducted at Fred Hutchinson Cancer Research Center demonstrated that men that were obese ([weight index] more than 30) at diagnosis had 2.6 occasions the chance of dying in the disease than men of ordinary weight,” McConnell states. “This was true regardless from the stage, grade, or treatment. They chalk this up to hormonal and inflammatory factors connected with weight problems that could influence cancer growth.”

Newson highlights that dietitians should clearly show their sufferers that lowering calorie intake doesn’t always mean eating less food. Plant foods are full of fiber, vitamins, and minerals and therefore are lower in calories.

However, many patients may prosper to lower their overall food intake. “When adjusting to consuming less food, they ought to try departing a couple of bites of food on [the] plate each and every meal to obtain used less volume,” she states. “If you have to visit a plate filled with food, a minumum of one 1 / 2 of it ought to be full of vegetables.”


Men should are drinking alcoholic beverages moderately: two or less drinks each day. “Heavy consuming can increase the chance of aggressive prostate cancer,” Kennedy states.


It’s nearly impossible to split up exercise from diet when thinking about its role in weight loss, muscle building and bone mass, modulating hormonal levels, enhancing immune function, and reducing oxidative stress. “However, the particular role of exercise in cancer prevention remains elusive,” McConnell states. “Studies show a tenPercent to 30% risk decrease in the growth and development of cancer of the prostate in individuals who exercise. Exercise might also have benefits during treatment in assisting to lessen the fatigue connected with radiation therapy.”

As Newson explains, while most of the antioxidant supplement trials didn’t produce anything apart from probable evidence, the antioxidants from food sources and individuals created by against exercise will have an effect on prevention. “Vigorous exercise of 5 hrs each week reduces cancer of the prostate dying rates,” she states. “Studies they are under method to formally connect exercise and cancer of the prostate prevention, however a sedentary lifestyle is really a known risk factor for a lot of illnesses. We are able to securely assume an optimistic correlation between exercise and prevention based simply on the antioxidant results of physical exercise and the prospect of a proper weight and occasional excess fat percentage connected with physical exercise along with a healthy diet.”

— Maura Keller is really a Minneapolis-based author and editor.

Promising Nutrients

Based on Robin McConnell, MS, RD, listed here are several nutrients and factors that could prove promising in fighting against cancer of the prostate and warrant further research:

Omega-3 essential fatty acids (from fish and flaxseed): Because of anti-inflammatory qualities, they might hinder the development of cancer of the prostate.

Soy and isoflavones: A greater consumption of scented soy may lower the chance of developing cancer of the prostate, however the effects continue to be studied.

Vitamin D: This vitamin’s role in cancer of the prostate prevention requires further study. Reports have established that low serum amounts of vitamin D could raise the chance of cancer of the prostate, however a detailed review through the Agency for Healthcare Research and Quality demonstrated no link.

Eco-friendly tea: A 2009 study printed in Cancer Prevention Research found that Polyphenon E, a part of eco-friendly tea, may have the possibility to reduce the incidence and slow the advancement of cancer of the prostate. An epidemiologic study of Japanese men demonstrated a 50% reduction in the chance of advanced prostate cancer with the intake of 5 glasses of eco-friendly tea each day. The studies searching at eco-friendly tea consumption and cancer of the prostate progression and risk are ongoing.

However, the next nutrients may not be advantageous and could be potentially dangerous:

Calcium: Excessive calcium intake (greater than 1,500 to two,000 mg/day) could raise the chance of cancer of the prostate, but further research is searching at parsing the data to look for the distinction between high calcium intake from supplemental calcium versus. calcium acquired from foods, particularly dairy.

E Vitamin and selenium: The Selenium and E Vitamin Cancer Prevention Trial demonstrated that supplemental e vitamin and selenium, once considered to lower the chance of prostate cancer, were ineffective.

— MK


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