The objective is to determine the relationship between global dietary energy availability and dietary quality, and nutrition-related health outcomes.
Recent studies have found evidence of an increasing polarization between healthy and unhealthy diets, with many high income countries having diets that are becoming more healthy, while in lower income countries diets are becoming more unhealthy. However, little is known about how the changing availability of different kinds of foods at a national level may be related to both undernutrition and NCDs.
Agricultural production, commodity marketing and food consumption patterns have changed significantly over the past 30 years the world over, as have national epidemiological profiles. Many countries are now experiencing epidemics of non-communicable diseases (NCDs), while some simultaneously have large burdens of childhood undernutrition. Little is known about how the changing availability of different kinds of foods may be related to both undernutrition and NCDs.