Whole-diet approach and risk of chronic disease: Limits and advantages.

the use of diet‐scoring systems should ultimately prove to be an informative and powerful means to augment our understanding of the role of diet in chronic disease.Recently, these approaches have been used to describe adherence to a particular dietary pattern; these are necessary for the evaluation of epidemiological associations, although they require some operational definitions. In particular, Trichopoulou et al.constructed a scale indicating the degree of adherence to the traditional Mediterranean diet that was revised to include fish intake.