Fourth International Conference on Prevention of Human Cancer:
Nutrition and Chemoprevention Controversies.
June 3-6, 1992, Tucson, AZ, A17, 1992. (1992)

Dietary intervention and cancer prevention (Meeting abstract).
Greenwald P

Epidemiologic and experimental evidence strongly suggest that the risk for certain common cancers in  humans is influenced by dietary fctors, including macronutrients,  micronutrients and non-nutritive phytochemicals found in vegetables and fruits. The goal of chemoprevention research is to identify and  assess specific chemical substances, including those that occur  naturally in foods (eg, vitamins A, C, E, selenium, calcium,  carotenoids, isothiocyanates, flavonoids), which demonstrate potential for inhibiting cancer in humans. More than 1000 natural compounds and synthetic agents have been identified that appear to have cancer-inhibitory effects.. Phytochemicals found in plant foods are under study  in a new effort initiated by NCI that focuses on chemical compounds  found in vegetables, fruits, grains, herbs and spices demonstrating epidemiologic and experimental links to cancer prevention. The objective of this research effort is to identify gaps in knowledge  bridging preclinical and clinical research with phytochemicals linked to the prevention of cancer in humans. Strong evidence indicates that high intakes of vegetables and fruits reduce the risk of certain cancers because they are rich sources of cancer-preventing  substances...To promote eating vegetables and fruits as a way to improve  health and reduce the risk of disease, for the general population,  the NCI is supporting the Five-a-Day Program, a national effort with the overall goal of increasing the per capita consumption of vegetables and fruitsto five servings a day by the year 2000.

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