In other words, if you don't exercise and don't eat any calorie-containing food for 3 days, you can lose 1 kg of fat.
Every gram of fat produces 9 calories, so if you want to reduce 1 kg of fat, from a medical point of view, you must consume 7700 calories. If you reduce 500 calories a day.
Reduce 1 kg requirement 14 days; If you reduce 1000 calories a day, it will take seven days to lose 1 kg and seven days to lose 1 kg. However, people have metabolism every day and must have the most basic calorie intake to maintain the needs of the body. Generally speaking, boys need 1600 calories a day and girls need 1200 calories.
Extended data
Weight loss method:
1, and take appropriate calories.
If you compare a person to a car, then the food you eat every day is the fuel provided to your body, and the role of metabolism is to convert these fuels into gasoline that can be used by cars.
Basal metabolism refers to the heat naturally metabolized by the body without extra heat consumption at all; Everyone's basal metabolism (BMR) is different. The higher the BMR, the easier it is for the body to consume calories. So don't eat less calories than the basic generation when losing weight, so as not to let the body's metabolism decline.
Step 2 calculate the calories burned every day
Of course, no one will lie in bed all day or stay still all day, so the daily intake of calories will definitely be more than the basal metabolism. So at the beginning, it is best to carefully calculate how many calories you will consume in your daily life and how many calories you will consume every day in order to plan how to control your diet.
3. Make fitness a daily must-do list.
Let exercise and fitness become as natural as eating and going to the toilet! Doing aerobic exercise five times a week has a good effect on improving basal metabolism, forming the habit of exercise, and making the body burn calories continuously even if it doesn't exercise.
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