Is Calorie Counting Dead?

For a century now, dieters have been trying—and failing—to lose weight by obsessively tracking calories. There has to be a better way.

From early diet books to the advent of Lean Cuisine, learn how calories have been viewed and used through the years. 

According to research from the Jean Mayer USDA Human Nutrition Research Center on Aging and the Friedman School, there's a good chance that many of the posted restaurant calorie counts are wrong.