Article: How many calories do you really need? Let's do the numbers

You've probably heard the old saying "one man's junk is another man's treasure." Does that apply to calories from food?

The quick, concise answer: sometimes. The longer version: it depends.

Calories have developed a bad rap, partially because too many of us are eating too many of them. We're hoarding them like there's a shortage, as if we need to stock up for the winter. And our waistlines are paying the price.

The advice we've heard for years -- just eat less -- is easy to say, not so easy to do.

In comparison, other healthy behaviors, such as quitting smoking, are cut and dried. After all, one can stop smoking and stay alive. The same is not true for eating. Our bodies need calories, like ...

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