Article: Go to the Web to track your calories, exercise.(Life - Food)

Byline: SALLY SQUIRES Washington Post

To achieve a healthier weight, you need to know the caloric score. The government's recent launch of a Web site to record food intake and physical activity highlights the growing number of free options that can do the numbers for you.

Studies such as the National Weight Control Registry of "successful losers" - those who have lost at least 30 pounds and kept it off for at least a year - found tracking intake and activity is key to achieving and maintaining a healthier weight and helps control temptations.

With that in mind, here's a look at a few free online services that can help you avoid unwitting ...

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