A calorie is a unit of energy. In the nutrition world, a calorie is the potential energy in the foods that you consume and which the body uses to perform various actions.

Calories are derived from the three macronutrients in the food: carbohydrates, proteins, and fats in varying amounts. Vitamins, minerals, and water are all calorie-free.

Facts about calories 

1. The word “calories” mentioned in nutritional context or during exercise or on labels of food packages are actually “Calories” (with a capital ’C’) or kilocalories, each of which equals 1000 calories. See the post on what are calories for more details.

2. Baskin Robbins gives you some fast foods with probably the highest calorie content:

  • Large Chocolate Oreo Shake – contains 2360 cals
  • Large Health Bar Crunch Shake – contains 2160 cals
  • Reese’s Peanut Butter Cup Shake –contains 2160 cals

3. A male athlete consumes more than 7000 calories per day.

4. Olympic champion swimmer, Michael Phelps consumes 12,000 calories when training – enough quota for six of us sedentary men.

5. Sumo wrestlers consume an average of 20,000 calories per day.

6. Tea and coffee, without milk and sugar, contain zero calories. Water, too, has zero calories.

7. Average calorie consumption in the United States per person is 3790 calories per day. No wonder then that 67% of Americans are overweight and 31% are obese with a BMI of more than 30 kg/m2.

8. A general belief is that consuming a high-calorie diet during pregnancy greatly increases the chances of giving birth to a baby boy.

9. In New York, it is required for restaurants to display the calorie content of foods on their menu.

10. 30% of Americans get 50% of their calories from junk food.

11. One pound of body fat contains 3500 calories. In other words, you are required to burn 3500 calories to lose one pound body weight.

12. In the three decades of 1971 to 2000, calorie intake rose by 7% in men and 22% in women (American stats).

13. Only 12 percent of Americans can calculate the number of calories they consume during the day or are aware of how much calories they should consume. The rest are ignorant on this matter.

14. Exercise machines overestimate the number of calories burnt during an exercise by 20 percent. The errors ranged from 7 percent showed on a stationary cycle to 42 percent by an elliptical machine.

15. Low-fat foods do not mean that they contain fewer calories. For example, two tablespoons of low-fat peanut butter contain 187 calories while the same amount of regular peanut butter contains 191 calories.

16. Kissing burns two calories per minute while sex uses 144 calories in half an hour. Therefore, if you are overweight and hate to exercise, this is a great choice to indulge in, more often.

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