Modified Mediterranean diet and survival

Key confounder was missed

EDITOR—The title “modified Mediterranean diet” for the study reported by Trichopoulou et al is unfortunate and vague,1 as would be a “modified Asian or American” diet. To many Westerners it might simply say: eat more pasta. The modification in the study diet variable was the addition of polyunsaturates to the numerator of the diet score. This, however, is problematic in …