Complexity is the name of the game when you want to repackage the same old diets in a new, easy to sell, form.
Interesting stuff, nonetheless, although I can't say I'm crazy about the way in which the study was conducted based on the limited info available in the abstract. 390 online questionnaires... I don't know.
"Use what talents you possess: the woods would be very silent if no birds sang there except those that sang best." —Henry Van Dyke