What is a Calorie ?

EVERYTHING YOU EVER WANTED TO KNOW ABOUT CALORIES, BUT DIDN'T KNOW WHERE TO LOOK. A calorie is a unit of energy that measures the amount of energy contributed by food to your body. A calorie is also understood as a measure of heat(energy) produced when food is being processed during metabolism in the body. Good Calories v/s Bad calories Good calories are contributed by foods that give you energy as well as nutrition, eg, a big guava contains 100 calories, but it also stores minerals and vitamins. A small packet of potato chips , on the other hand, will give you 200 calories but no essential nutrients . Does gaining calories mean gaining weight ? Weight gain is determined by the total number of calories consumed, as against the total number of calories burned / used for energy.In other words,if you consume more calories than you burn through exercise or physical activity.your body stores these excess calories as fat,resulting in those extra unwanted kil...