Obese and overweight people require more fuel to transport them and the food they eat, and the problem will worsen as the population literally swells in size, a team at the London School of Hygiene & Tropical Medicine says. […]Because thinner people eat less and are more likely to walk than rely on cars, a slimmer population would lower demand for fuel for transportation and for agriculture.

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Sounds very logical. What is the social impact of fast food on this planet? And with the recent 83% jump in basic food price obesity is sure to remain a rich country problem.