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Fattest: #4 Kuwait

A few decades ago, Kuwait’s spot on this list would have been baffling. It was traditionally a farming country, whose residents often performed manual labor, worked on farms, and ate fresh, local food. However, Kuwait’s large oil reserves have made the nation quite prosperous, and the change means the people are working less and able to spend more money. Additionally, fast food chains came over with the arrival of U.S. troops during the first Gulf War — and the restaurants were so popular that they stayed. Now McDonald’s and Pizza Hut are mainstays of the country and its diet. In fact, it’s here that Pizza Hut introduced a pie made with a crust of mini cheeseburgers. While dining at these joints is now understood to be part of an unhealthy lifestyle, it was originally seen as a luxury, similar to how we might view an outing at a full-service restaurant — which understandably led to the current overweight/obesity rate of 78.1 percent.

The World's 5 Fattest and 5 Thinnest Countries and How They Got That Way (Slideshow)

The World's 5 Fattest and 5 Thinnest Countries and How They Got That Way: Here are the top 5 countries in those spots, and how they got there

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