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?

Discover the fascinating history behind the calorie, from French chemists to American innovators, shaping our understanding ...

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 ...

What are calories, why do we need them, and can a better understanding of calories help us maintain a healthier weight throughout our lives? Calories are units of energy that a food or drink provides.

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 ...

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 ...

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 ...

The amount of food we consume daily has a significant impact on bodily function. Most adults need a minimum of 2000 calories to sustain metabolism, muscle activity, and brain function. However, too ...

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 ...