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Understanding the calorie in an “eat more” world

"Why Calories Count: From Science to Politics" by Marion Nestle and Malden Nesheim.
University of California Press

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What is a calorie? The concept seems so simple, yet calories cannot be seen, smelled, or tasted, and it’s their over and under consumption that creates the majority of health problems around the globe. When it comes down to it, they are tricky to understand.

New research from Duke University and RTI International projects that the percentage of Americans who are severely obese—around 100 pounds or more overweight—will roughly double to 11 percent of the population by 2030. In her new book, nutritionist Marion Nestle filters through the misinformation put forth by food manufacturers and diet program promoters to explain what calories are and how they work, both biologically and politically, in our “eat more” world.


Marion Nestle, professor, Department of Nutrition, Food Studies, and Public Health, New York University; author of "Why Calories Count: From Science to Politics"