INSULIN RESISTANCE

This appears to be a well researched article showing that non communicable chronic disease is becoming more prevalent with an increse in obesity. But what causes obesity? http://www.pharmaceutical-journal.com/opinion/insight/the-cholesterol-and-calorie-hypotheses-are-both-dead-it-is-time-to-focus-on-the-real-culprit-insulin-resistance/20203046.article