Bacon and Skinless Chicken Associated With Bladder CancerA new study from the Harvard School of Public Health finds that meat—including chicken—intake is associated with an increased risk for bladder cancer. A data analysis of 47,422 men from the Health Professionals Follow-Up Study and 88,471 women from the Nurse’s Health Study showed that individuals consuming more than five servings of bacon each week had a 59 percent increased risk for bladder cancer compared with those who ate no bacon. Additionally, those who ate more than five servings of chicken without skin each week had a 52 percent increase in bladder cancer risk compared with those who ate none. Researchers hypothesize that nitrosamines, heterocyclic amines (known carcinogens), or both may play a role.
Michaud DS, Holick CN, Giovannucci E, Stampfer MJ. Meat intake and bladder cancer risk in 2 prospective cohort studies. Am J Clin Nutr 2006;84:1177-1183.
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Dairy Products May Increase Testicular Cancer RiskA new study from Germany shows that dairy product consumption may increase the risk of testicular cancer. Researchers at the University of Halle-Wittenberg tracked dietary contributors to testicular cancer among 269 men with cancer and 797 control subjects. The risk for testicular cancer was increased by 37 percent for those who consumed at least 20 servings of milk per month. The researchers hypothesize that increased galactose (a component of lactose, the milk sugar) and milk fat may explain the association between dairy product consumption and cancer.
Stang A, Ahrens W, Baumgardt-Elms C, et al. Adolescent Milk Fat and Galactose Consumption and Testicular Germ Cell Cancer. Cancer Epidemiol Biomarkers Prev 2006;15(11):2189-2195.
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