Keith Ayoob answers the question: 'What are Calories, Why Do They Matter?' February 1, 2009 -- Question: What is a calorie and why is it important to know how many calories there are in certain foods?

A calorie is a unit of energy. In nutrition, calories refer to the energy people get from the food and drinks they consume and the energy they use in physical activity. Calories are in the nutritional ...

Do you know how calorific your favourite alcoholic drink is? You may be surprised to find out three glasses of wine has as many calories as two cheeseburgers. That is according to a calorie and unit ...

James L. Hargrove, associate professor of foods and nutrition in the University of Georgia, said many nutritionists aren't even sure of the true origin of the Calorie -- or why it's supposed to be ...

This Halloween, when you grab a candy bar, pay attention to the wrapper. In the United States, a "nutrition facts" label has been required for all packaged foods since 1994, giving the serving size ...

“For me, a calorie is a unit of measurement that’s a real pain in the rear.” Bo Nash is 38. He lives in Arlington, Texas, where he’s a technology director for a textbook publisher. He has a wife and ...

Beverage company Dr Pepper Snapple Group ( DPS) recently announced that from 2013 onward its consumers can get calorie information when they purchase from its vending machines in Chicago and San ...