Author(s): Austoker J
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Abstract Accumulating data indicate that modifications in diet may reduce the risk of cancer by as much as one third and possibly by as much as two thirds. On the basis of the existing evidence, however, it is not possible to be certain which cancers are causally related to diet and what proportion of them are due to specific components of the diet. Diet is currently thought to be a major factor in the aetiology of cancers of the large bowel and stomach, and it may also be important in the aetiology of several other cancers. With the exception of strong and consistent evidence of the protective effect of fruit and vegetables, practical dietary interventions that reduce the risk of cancer are difficult to formulate as, in general, the evidence is theoretical or contradictory and too weak to justify specific intervention. Authoritative guidelines on dietary management in primary care are conspicuously absent because of lack of research. The success of an individual based strategy will depend on adequate education, training, and support being made available to the relevant members of primary care teams.
This article was published in BMJ
and referenced in Pharmaceutica Analytica Acta