What are Calories?

A calorie is a measure of energy. It is scientifically described as being the amount of energy required to raise the temperature of one gram by one degree Celsius. Calories of a food can also be recognized as a kilocalorie, or one thousand-calorie unit.
In order for your body to grow, your body is required to have certain amounts of energy, or calories, depending on your age and height. For example, according to the Food and Nutrition Board of the National Research Council, women twenty-five to fifty years of age who are five feet, four inches tall and weigh 138 pounds, have a suggested…