What are the calories? That whom we fear so much? The ones that make us gain weight and make us strictly count the food portions?Actually calories are unit of energy. It is an amount of energy that raises the temperature of 1 gram of water by 1 Celsius degree.
Calories are not just something to cut of from the daily portion of food, because calories are used by the human body for well functioning of the organism. When heart beats, air is pumping in to the lungs or digestion starts, calories are being used. This is the basal metabolic rate, also called BMR, the minimum calories the human body needs to well-function. Therefore, some quantity of calories is needed to be eaten for the minimal well function of the normal physiological human body processes. Continue reading