14 - Cancer - WJD 2011 handouts

14 - Cancer - WJD 2011 handouts - Objectives Discuss the...

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HUN44445 March 22, 2011 Objectives Discuss the pathogenesis of cancer Describe the role of diet in the development and prevention of cancer Identify the nutritional implications of cancer for the patient Cancer Statistics Second leading cause of death in developed countries 1 in 3US adults will 1 in 3 U.S. adults will be diagnosed in their lifetime 60% will die of the disease y In 2009, 1,479,350 new cases are expected to be diagnosed. Cancer Cancer rates similar worldwide Affluent countries: lung, colon, breast and prostrate Far East and developing countries: stomach, liver, oral cavity, esophagus, uterine, cervix Migration changes patterns Cancer Prevalence in the U.S.
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Cancer Prevalence 77% of cancers diagnosed in those 55 and older 9 6 million cancer survivors – 3% of the population 9.6 million cancer survivors – 3% of the population 60% are over 60 Estimated Number of Cancer Survivors in the United States from 1971 to 1999 (Source: National Cancer Institute, Estimated United States Cancer Prevalence , April 2003) Cancer End result of accumulation of genetic alterations Unchecked proliferation of cells from a single Unchecked proliferation of cells from a single transformed cell Metastasis: spread to other tissues Risk Factors Tobacco use Dietary intake Ultraviolet radiation Alcohol Ionizing radiation Chemicals and other substances Hormone Replacement Therapy Diethylstilbestrol (DES) Close relatives with certain cancers Dietary Guidelines for Cancer Prevention Eat a variety of healthful foods, with an emphasis on plant sources. Eat five or more servings of a variety of vegetables and fruits each day. Choose whole grains in preference to processed (refined) American Cancer Society: www.cancer.org Choose whole grains in preference to processed (refined) grains and sugars. Limit consumption of red meats, especially those high in fat and processed. Choose foods that maintain a healthful weight. If you drink alcoholic beverages, limit consumption Guidelines for Cancer Prevention Adopt a physically active lifestyle. Adults: moderate activity for 30 minutes or more on 5 or more days of the week; 45 minutes or more of moderate to vigorous American Cancer Society: www.cancer.org minutes or more of moderate to vigorous activity on 5 or more days per week may further enhance reductions in the risk of breast and colon cancer.
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14 - Cancer - WJD 2011 handouts - Objectives Discuss the...

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