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 ...

Ever felt overwhelmed by calorie counting? Relax, you're not alone! In the world of fitness and wellness, calories often get ...

Calories weren’t always about food. The term started out as a measurement of energy in the 1800s, and it was several decades before it was used in conjunction with human nutrition, according to the ...

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 ...

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 ...

Your Thanksgiving dinner could amount to as many as 2,000 calories per person - if not more. This post appeared first in ...

Your favorite snack may well contain more calories than you think. This month a lawsuit filed in California against Kroger alleged false advertising after prosecutors found its 'Carbmaster' bread ...