Calories are a kind of energy unit, but the international energy unit is Joule, and calories are generally used for food and fitness. Energy or heat of 1 calorie can raise the temperature of 1 gram of water at one atmospheric pressure 1 degree Celsius. 1 calorie is approximately equal to 4. 186 joules (joules are commonly used units of energy in physics).
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1. Calories calculation method: Calories are energy units and are still widely used in nutrition measurement and fitness manuals. The international standard unit of energy is joule. Simply put, 1 calorie of energy or heat can raise the temperature of 1 gram of water by 1 degree Celsius at one atmospheric pressure. 1 calorie is about 4. 186 joules.
2. How to lose weight scientifically: Controlling energy intake and proper exercise is a quite effective way to lose weight, and it is also considered by most doctors to be the healthiest way to lose weight. This mechanism is very simple. When the daily energy intake is not enough to provide the energy consumed by the body, the body will call the sugar and fat stored in it. When fat is broken down and provides energy for the body, the process of losing weight begins.
References:
Baidu encyclopedia-calories