"... Indeed, the world has seen an explosion in overweight and obesity in the past 30 years (Figure 1). Globally the percentage of adults who were overweight or obese grew from 23% in 1980 to 34% in 2008, with the vast majority of this increase seen in the developing world. Here, the numbers of people affected more than tripled, from around 250 million people in 1980 to 904 million in 2008. By contrast, the number of people who were overweight or obese in high-income countries increased 1.7 times over the same period. The evidence is well-established: obesity, together with excessive consumption of fat and salt, is linked to the rising global incidence of non-communicable diseases including some cancers, diabetes, heart disease and strokes. What has changed is that the majority of people who are overweight or obese today can be found in the developing, rather than the developed, world..."
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