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[Nutritional habits and colon-rectal tumours]
S Di Mauro1, E Cesario, V Bartolo
1Divisione di Chirurgia Generale IV, Cattedra di Chirurgia Generale IV, Università degli Studi di Messina, Messina.
Minerva Gastroenterologica E Dietologica
|February 22, 2005
Summary
Diet significantly impacts colorectal cancer risk. Nutritional education emphasizing fruits, vegetables, and fiber, alongside screening, can help prevent large intestine tumors by reducing exposure to carcinogens from meat-rich diets.
Area of Science:
- Oncology
- Nutritional Science
- Epidemiology
Background:
- Colorectal cancer affects approximately 20,000 individuals annually in Italy, with a 50% mortality rate.
- Epidemiological data suggest diet is an etiological factor in various cancers, though specific agents remain unidentified.
- Alcohol is a potential exception, linked to cancer-cirrhosis sequences.
Purpose of the Study:
- To analyze the relationship between diet and colorectal cancer onset.
- To evaluate the role of nutritional education in cancer prevention strategies.
Main Methods:
- Literature review and analysis of epidemiological data.
- Examination of dietary components and their potential carcinogenic or protective effects.
- Assessment of integrated treatment approaches including surgery, chemotherapy, and radiotherapy.
Main Results:
- Diet is implicated as an etiological factor in cancerogenesis.
- Protective dietary principles include fruits, vegetables, vitamins, and non-absorbable fibers.
- Meat-heavy diets may increase carcinogenic substance contact with the intestinal mucosa via cholesterol and additives like nitrates/nitrites.
Conclusions:
- Nutritional education, initiated early, is a valuable adjunct to screening for preventing large intestine tumors.
- Dietary interventions should promote protective foods and limit exposure to carcinogens from processed and meat-rich diets.
- Integrated cancer treatments remain crucial, but prevention through diet and education is emphasized.