People who do different types of labor need different calories a day. For example, if a person does pure manual labor for eight hours a day, he will certainly consume more energy than those who do mental labor for eight hours a day, so he will need more energy. Of course, mental work also needs to consume calories, but compared with manual work, it is easier to consume calories. Because everyone's work and rest habits and eating habits are different, the daily calorie intake is still obviously different from this, and the intake needs to be determined according to the individual.

Extended data:

Precautions for calories required by adults:

The daily calories needed by adults = the basic calories needed for basic metabolism of human body+the calories needed for physical activity+the calories needed for digesting food.

Men need to consume about 2200 to 2400 calories a day, and women need to consume about 1900 to 2 100 calories a day.

The daily calories provided by food should be no less than 1200 kcal to 1800 kcal, which is the minimum energy to maintain normal human life activities.

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