As countries move from extreme poverty to middle-income status, this move from starvation rations to calorie-rich, nutrition-poor diets has become more common.

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Wartman vilifies "the food industry" for providing consumers with calorie-rich products at low prices--that is, for feeding the poor, hardly a moral failing.

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Come World War II, business prospered even more, thanks to the U.S. government's decision to include Hershey's shelf-stable and calorie-rich bars in soldiers' rations.

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The celebrated 43-year-old restaurateur (with Mario Batali, a force behind Babbo and Del Posto, among others), winemaker and TV personality ("Master Chef") had long lived a calorie-rich high life when he dedicated himself to distance running, completing a New York City Marathon and shedding more than 50 pounds along the way.

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To avoid dying in a famine, the brain is wired to pick up on signs that calorie-rich foods are nearby, which helps explain why that piece of cake on the plate in front of you is so irresistible, or why seeing a sign for a doughnut shop draws you in even when you know you need to watch your diet.

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