Calories
are stored in adipose tissue
Calories are a unit of measurement for energy that is commonly used in nutrition. The term “calorie” is actually a kilocalorie or 1000 calories, which is the amount of energy required to raise the temperature of one kilogram of water by one degree Celsius.
In nutrition, calories are used to quantify the amount of energy that is obtained from food and drinks. The number of calories in a given food depends on its macronutrient content – carbohydrates, proteins, and fats.
Carbohydrates and proteins contain 4 calories per gram, while fats contain 9 calories per gram. Alcohol contains 7 calories per gram. Therefore, foods that are high in fat are higher in calories whereas foods that are high in carbohydrates or proteins are lower in calories.
Reducing calorie intake is a common strategy for weight loss. To lose one pound of body weight, a person needs to burn or eliminate 3500 calories. Therefore, if a person reduces their daily calorie intake by 500 calories, they can lose one pound per week. However, reducing calorie intake too drastically can negatively impact metabolism and overall health.
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