Nutrition in cancer prevention.

Abstract:

:Although variation in diet may account for approximately one third of the variation in cancer incidence worldwide, epidemiologic studies have proven to be a blunt instrument for identifying causal relationships between intakes of specific food constituents and cancer risk at specific sites. Diets rich in fruits and vegetables seem to be protective, but the adverse effects of beta carotene supplementation trials on lung cancer incidence in smokers caution against the attribution of benefit to single substances. Important diet-gene interactions may exist, as illustrated by differential responses to variation in folate status in those with methylenetetrahydrofolate reductase polymorphisms. Targeting initial intervention studies in those with explicit genetic predisposition to cancer may have both greater cost-effectiveness and fewer ethical difficulties than do similar studies in the general public.

journal_name

Curr Opin Oncol

authors

Mathers JC,Burn J

doi

10.1097/00001622-199909000-00015

keywords:

subject

Has Abstract

pub_date

1999-09-01 00:00:00

pages

402-7

issue

5

eissn

1040-8746

issn

1531-703X

journal_volume

11

pub_type

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