Margetts, B.M., Vorster, H.H. and Venter, C.S.
South African Journal of Clinical Nutrition, 15, (2), .
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The evidence-based approach has recently been
implemented to translate the vast body of literature
available into effective action aimed at addressing the
pressing nutritional problems that affect populations.
In this paper, the first in a series on the topic, the
meaning of evidence-based nutrition (EBN) is clarified and
the broad outlines of how to review and interpret both
individual papers and reviews of a collection of papers is
The objectives of the EBN approach and the steps to
follow in the process are outlined. A useful checklist for the
critical appraisal of research papers is given and criteria for
reviewing reviews of all relevant available information are
discussed. The benefits of the EBN approach are
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