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What are calories? what r calories?
[ ] Want to answer more questions in the Health & Fitness category? Maybe give some free advice about: Nutrition?
Calories are a unit of measurement that measures energy. One calorie is the energy it takes to heat one gram of water by one degree C.
As you can imagine, this is a very tiny amount of energy. As a result, most of the time when you read labels on foods, they're actually measures in KCals, or Kilocalories, which are 1000 calories each. ]
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