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Chapter 40 Medical Nutrition Therapy for Cancer Prevention, Treatment, and Recovery
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Cancer When cells divide and reproduce abnormally and have the potential to spread throughout the body, crowding out normal cells and tissues One third of the cancer deaths in the United States each year can be attributed to nutrition and other lifestyle factors.
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Cancer—Cause Algorithm content developed by John Anderson, PhD, and Sanford C. Garner, PhD, 2000.
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Cancer—Pathophysiology
Algorithm content developed by John Anderson, PhD, and Sanford C. Garner, PhD, 2000.
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Cancer—Medical and Nutritional Management
Algorithm content developed by John Anderson, PhD, and Sanford C. Garner, PhD, 2000.
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Prevention Factors Energy balance and exercise Fat Protein Fiber
Fruits and vegetables Chemoprevention
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Prevention Factors—cont’d
Alcohol Coffee and tea Artificial sweeteners Nitrates, nitrites, and nitrosamines Method of food preparation
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Fruits and Vegetables Appear to have a protective effect against cancer Thought to be due to the phytoestrogen and phytochemical content of the plant- based diet
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Fat Research, although controversial, has shown evidence that high-fat diets are linked to an increased risk of cancer of the breast, colon, lung, and prostate
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American Cancer Society’s Dietary Recommendations for Cancer Prevention
1. Eat a variety of healthful foods, with an emphasis on plant sources. 2. Adopt a physically active lifestyle. 3. Achieve and maintain a healthy body weight throughout life. 4. Limit consumption of alcoholic beverages.
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Metabolic agents and cytokine blockers Prokinetic drugs
Pharmacological Agents for Anorexia-Cachexia Syndrome and Weight Loss Management Appetite stimulants Metabolic agents and cytokine blockers Prokinetic drugs Anabolic agents
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Factors That Affect Appetite
Reference: American Institute for Cancer Research: Food, nutrition, and the prevention of cancer: a global perspective, Washington, DC, 1997, AICR.
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Nutritional Implications of Cancer Therapy
Chemotherapy —Taste abnormalities, diarrhea, constipation Radiation therapy —Fatigue, loss of appetite, skin changes Surgery —Fatigue, pain, loss of appetite Immunotherapy —Flulike symptoms, decreased food intake
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Nutritional Implications of Cancer Therapy—cont’d
Bone marrow transplant —Nausea, vomiting, diarrhea, mucositis, xerostomia, dysgeusia Severe oral muscositis Graft versus host disease (GVHD) Veno-occlusive disease (VOD)
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Marrow Transplantation—Cause
Algorithm content developed by John Anderson, PhD, and Sanford C. Garner, PhD, 2000.
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Marrow Transplantation—Pathophysiology
Algorithm content developed by John Anderson, PhD, and Sanford C. Garner, PhD, 2000.
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Marrow Transplantation— Medical and Nutritional Management
Algorithm content developed by John Anderson, PhD, and Sanford C. Garner, PhD, 2000.
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Severe Oral Mucositis Following Marrow Transplantation
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Guidelines for Oral Feeding During Antitumor Therapy
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Guidelines for Oral Feeding During Antitumor Therapy —cont’d
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Commonly Used Complementary and Alternative Therapies
Macrobiotic diet Vegetarian diet Gerson therapy Kelley/Gonzales regimen Juice therapies Shark cartilage DHEA Enzymes Oxymedicine Coenzyme Q10
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Commonly Used Complementary and Alternative Therapies—cont’d
Black cohosh Echinacea Flaxseed Ginger Iscador Milk thistle PC-SPECS Saw palmetto Soy and soy foods Teas
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Nutrition in the Etiology of Cancer
Epidemiologic research has evaluated the role of diet in the etiology of cancer in different population groups. Diets contain inhibitors and enhancers of carcinogenesis. Laboratory studies have served as models to test the effect of food and nutrition on cancer development.
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