Some important facts about calories.
- Calorie is a unit used to measure energy in food.
- Our energy needs and energy expenditure are also measured in calories.
- Obesity is the result of imbalance between calorie intake and expenditure.
- 1000 calories are equal to one food calorie or one kilo-calorie.
- A food calorie is also known as "Calorie" which is commonly used in dietetics.
- Another measure that is commonly used in food labels is kilo joules.