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The availability of or access to sufficient calories (i.e. “food security”) is increasing worldwide [1]. However, food-secure individuals and populations with access to sufficient calories (i.e. adequate quantities of food) may still lack essential nutrients or those dietary components that are yet unmasked as being important for human health. These components are encompassed within the concept of “diet quality”. Diet quality scores are related to health outcomes. So despite “food security” nutritional inadequacies in poor-quality diets (“hidden hunger”) increase the risk of both short- and long-term morbidity and mortality. Thus, diet quality is as important as quantity, a fact which is overlooked when food security is measured. However, the term “diet quality” itself is subjected to a variety of interpretations, definitions and usage. |
