International and regional experts convened at The Economist’s Global Crisis of Obesity Summit in Dubai this week to discuss the need for a monumental shift in the way public and private sector organizations, and the wider society, approach the challenges presented by obesity, and resulting diseases including diabetes.

While developing countries once struggled with famine, they now struggle with obesity. China and Mexico are seeing dramatic increases in the problem, thanks to an abundance of processed food and sugary drinks, more sedentary lifestyles, and ignorance of what makes a good diet. "Future Diets" report author Steven Wiggins believes South Korea has the answer. Dominic Kane reports.