Eating Eggs, Poultry, and Red Meat May Trigger Prostate Cancer

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          In my experience, and based on reports I have received from others, men are generally NOT warned in advance of doing their PSA blood work screenings, that PSA levels can be abnormally raised as a result of an ejaculation 24 hours prior to the test.

         These PSA (prostate specific antigen) results can also be influenced by an infection, or even activities which can ‘massage’ the prostate, such as a long bicycle ride.

         Why aren’t these mitigating factors a standard part of urologist-patient interactions in discussing PSA scores? Why aren’t patients warned not to engage in PSA raising activities before the PSA test?

        It seems like such considerations might help to reduce the number of unnecessary prostate biopsies that are conducted each year.

         Beyond that, and even more importantly, why aren’t the dietary habits of a patient made a topic of discussion, as standard medical procedure, prior to PSA testing? Particularly, after a prostate biopsy result comes back with evidence of cancer?

       As the accumulating study evidence seems to indicate, as referenced below, consuming certain foods do seem to elevate the risk for contracting prostate cancer. Once contracted, any further consumption of these foods may produce a more aggressive cancer and a lethal result.

        Here are a few of the studies supporting a possible role for dietary practices (eating eggs, poultry and red meat) as triggers for prostate cancer.

          “Our results support a role for carcinogens {heterocyclic amines HCAs}  that accumulate in meats cooked at high temperatures as potential prostate cancer risk factors…We analyzed data for 1096 controls, 717 localized and 1140 advanced cases {of prostate cancer} from the California Collaborative Prostate Cancer Study. We examined nutrient density-adjusted intake of red meat and poultry and tested for effect modification…” Only baked poultry showed an inverse association, whereas pan-frying and cooking meats until well-done showed a positive association. –“Red meat and poultry, cooking practices, genetic susceptibility and risk of prostate cancer: results from a multiethnic case-control study.” Joshi AD. Et al. Carcinogenesis. 2012.

          “Associations between dietary factors and prostate cancer were examined in a consortium of 15 cohort studies. During follow-up, 52,683 incident prostate cancer cases, including 4,924 advanced cases, were identified among 842,149 men. When associations were analyzed by geographical region (North America vs. other continents) positive associations between unprocessed red meat and egg intake were limited to North American studies.” –“Associations between unprocessed red and processed meat, poultry, seafood and egg intake and the risk of prostate cancer: A pooled analysis of 15 prospective cohort studies.” Wu K. Et al. International Journal of Cancer. 2016 May 15.

          “We prospectively examined the intake of {meat, milk, and eggs} and the risk of lethal prostate cancer among 47,896 men in the Health Professional Follow-Up Study. These foods are sources of choline—a nutrient that may affect prostate cancer progression through cell membrane function and one-carbon metabolism. Men in the highest quintile of choline intake had a 70% increased risk of lethal prostate cancer.” –“Choline intake and risk of lethal prostate cancer: incidence and survival.” Richman EL. Et al. American Journal of Clinical Nutrition. 2012 October.

          “We prospectively examined total, unprocessed, and processed red meat, poultry, and eggs in relation to risk of lethal prostate cancer among 27,607 men followed from 1994 to 2008. Men who consumed 2.5 or more eggs per week had an 81% increased risk of lethal prostate cancer compared with men who consumed less than 0.5 eggs per week. There were suggestive positive associations between postdiagnostic poultry {>1.5 servings per week} and postdiagnostic processed red meat and risk of progression of localized prostate cancer to lethal disease. In conclusion, consumption of eggs may increase risk of developing a lethal form of prostate cancer among healthy men.” –“Egg, red meat, and poultry intake and risk of lethal prostate cancer in the prostate-specific antigen-era: incidence and survival.” Richman EL. Et al. Cancer Prev Res. 2011 December.

 

Posted in Prostate Health on April 21 at 05:34 AM

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