October 21, 2013 4:45 PM

Calorie counts might not mean what we think they do

These are many new lines of research that call into question our long-standing comprehension of food energy. Calories are starting to look a lot more complicated. Some of us — we won't say who — have figured that 500 calories of cake were the same as 500 calories of cauliflower when it came to dieting (not nutrition). We may have to rethink.

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