Do We Have an Internal Calorie Counter?

September 15, 2014 4:11 PM

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Many explanations have been offered for the country's obesity epidemic, and one is nutritional ignorance. People simply don't know what a calorie is, so how can they be expected to know a calorie-rich food when they see one? Most of us don't even know what a gram of apple or an ounce of milk looks like, so how can we possibly calculate a sensible portion?

Well, perhaps arithmetic is not required, and it may even be misleading. Psychological scientists in Canada have been studying how people make food choices, and it appears that our deliberate estimates and calculations may not be much use to us. Instead, we may implicitly know how fattening foods ar...

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