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Dietary Carcinogens that Increase the Risk of Cancerby: Alex Fir One way our diet may increase the risk of cancer is by dietary carcinogens. There are four groups of carcinogens: • Naturally present carcinogens • Carcinogens forming during food preparation • Preservatives and coloring agents added to food • Some substances are changed in to carcinogens in the body Naturally present carcinogens: An example of this is 'Aflatoxin', a mycotoxin produced by fungi. Grains and nuts can be contaminated by fungus, which then produce chemicals called aflatoxins. They are known to cause liver cancer in Africa and the Far East, especially in people who are carriers of hepatitis antigens. Carcinogens forming during food preparation: Polycyclic hydrocarbons, such as benzopyrenes, are formed during barbecuing meat on an open fire (e.g. preparing jerked chicken). These polycyclic hydrocarbons are also one of the main constituents in cigarette smoke that cause lung cancer. The traditionally high intake of fried and broiled food, such as meats, can increase the risk of breast, distal colon, prostate and pancreas cancers. Several studies showed that populations that eat fried or broiled meats have a relative risk greater than 2 (deviation from median) for colon and breast cancer. More than 20 such chemicals have been identified. They are present in fairly small amounts, but their action is promoted, an effect associated with n-6 polyunsaturated oils such as corn or safflower oil at 30-40% of energy in animal and human studies. A lower fat intake, 15-22% of energy, dramatically decreases those effects. Preservatives and coloring agents added to food: (Need some more tests to establish this relationship). Food colorings are added to increase the appeal of the food but not all are good for us. An example is "butter yellow". Artificial sweeteners (like saccharine & cyclamates) and preservatives which produce nitrosamines are known to cause bladder and stomach cancers respectively. Some substances are converted in to carcinogens: Nitrosamines are formed from sodium nitrite. Sodium nitrite is present in drinking water and vegetables. Latest Cancer News:Cancer drug dramatically shrinks prostate tumors, study finds (Los Angeles Times) The survival rate more than doubles among most of the men with aggressive cancers. A second, wider test shows similar results. 'Spectacularly effective,' a researcher says. An experimental cancer drug shrank prostate tumors dramatically and more than doubled survival in 70% to 80% of patients with aggressive cancers, British researchers reported Tuesday. Symphony director's kidney cancer removed (CNN.com) BOSTON, Massachusetts (AP) -- A growth on a kidney removed from conductor James Levine was malignant, but doctors say the cancer was caught early and no further treatment is needed, the Boston Symphony Orchestra said in a statement Tuesday. More Cancer Lymph Nodes Analyzed at Specialty Centers (HealthDay via Yahoo! News) TUESDAY, July 22 (HealthDay News) -- Patients with stomach or pancreatic cancer may have more lymph nodes examined for the spread of cancer if they're treated at designated comprehensive cancer centers or at hospitals that do a high number of cancer surgeries, says a U.S. study. Advance vs. prostate cancer (Denver Post) An experimental cancer drug shrank prostate tumors dramatically and more than doubled survival in 70 percent to 80 percent of patients with aggressive cancers, British researchers reported Tuesday. Drug combats untreatable prostate cancer (UPI) LONDON, July 22 (UPI) -- The Phase 1 clinical trial of the drug abiraterone revealed significant tumor shrinkage in men with advanced prostate cancer, researchers in Britain said. Cancer society bus coming to Naperville, Schaumburg (Daily Herald) The American Cancer Society Cancer Action Network is on tour, encouraging people to get involved in the political end of the fight against a disease that ranks among the top killers in the country. Prostate cancer drug hailed as breakthrough (The New Zealand Herald) A new prostate cancer drug showing stunning results in Britain could successfully treat hundreds of New Zealand men. Breast cancer survivor to speak at conference (The Press-Enterprise) RIVERSIDE - Nikia Hammonds-Blakely, who survived breast cancer at age 16, will speak about her struggle at the fourth annual Healthy Heritage Wellness Conference on Saturday at Cal Baptist University. Rise in breast cancer among Native women may be leveling (Anchorage Daily News) A mysterious 30-year-long increase in breast cancer rates among Alaska Native women may finally be leveling off -- after tripling between 1969 and 1998. A relaxing way to help fight breast cancer (Daily Herald) When Amy Tabisz was 18 years old her mother died of breast cancer. Celebs That Cancer Can't Hold Back - ABC News
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