Cancer treatment and nutrition
People with cancer need special nutritional planning and management.
See also: Radiation enteritis
People with cancer are at risk for developing nutritional deficiencies. The deficiencies may be the result of the cancer itself, or the side effects of common cancer treatments such as surgery, chemotherapy, and radiation therapy.
Cancer directly affects your nutritional status by changing the body's metabolism and causing you to lose your appetite. Your body increases energy use, which means you need more calories to maintain your current weight and lean body mass. Cancer-associated loss of appetite is probably the result of physical changes but may also be due to a psychological response to the disease.
Several things may contribute to the type and degree of nutrient deficiencies:
DeLegge MH. Nutrition in gastrointestinal diseases. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger & Fordtran's Gastrointestinal and Liver Disease. 9th ed. Philadelphia, Pa: Saunders Elsevier;2010:chap 5.
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