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Calories: who how much?
Once I watched a scientific film about healthy eating, production, it seems, the BBC. The journalist asked the passers-by the same question: “What is calorie?”, And no one could answer. Everyone said: this is something that is in the products. There are a lot of them in chocolate, but nobody knew exactly what it really is.
I admit, I also learned the scientific definition, only when I began to be seriously interested in the issues of excess weight. The handbooks say that the calorie (kilo calorie is correct) is the amount of energy needed to heat 1 liter of water by 1 ° C. I think it is not necessary to memorize this definition, because we are not in physics class. But it is important to understand that calories are a measure of energy, and not something else. (In ordinary life, for simplicity, everyone talks about calories, not kilocalories.)
A person spends a certain amount of strength per day. While he is going to work, he walks in the park, takes a shower, even when he sleeps, the body constantly spends energy.
It is believed that during the night a person loses three hundred calories, although he doesn’t seem to do anything. In one hour of intensive training, when you leave the hall in a completely wet T-shirt, eight hundred calories are spent. But simple shaping more than five hundred of you will not pull.
If you do not turn to extremes (sleep and sport), then the figures are approximately the following: in one hour, lying down, a person loses only twenty-five calories, while sitting - fifty, standing
- hundred. When walking, of course, even more.
I write these lines, and on one of the TV channels the presenter says: “Celery is an ideal product for weight loss. A person, when eaten, spends more calories than he receives. ”
Yes it is. We consume energy and when we eat. And also - when we talk, cook, clean the apartment, we think.
By the way, an important note: in the cold season additional energy is needed to maintain normal body temperature, so in winter you feel like eating more (this is just a good example when our “liters” heat up to “degrees”, as in the definition). That is why many women have additional centimeters on the waist and hips.
So, if you add up all the calories we need in order to live one day, you get quite a lot. For a man - 2500. A large woman should receive about 2,200 calories per day, a miniature - 2,000. In athletes, the daily rate of calories will be higher
- 3000 for men and 2500 for women.
It is important to understand that the body has nowhere else to take energy, except from food. Every day a person must eat so much to ensure the functioning of his body.
The calorie content of each product is different, it is always indicated on the label, I think it is not worth explaining in detail. Suppose you eat a hearty breakfast, lunch, dinner - each with 500 calories or a little more. It will turn out 1500-1700. And 500 more calories will contain the drinks drunk per day. In total, 2000-2200 will be released - as much as a woman needs in order not to get better and lose weight.
If your body has not received the necessary amount of energy for normal work, it will turn to fat reserves, will pull energy from there. Then the most cherished wish will be fulfilled - you will lose weight! It is on this built many of the diets.
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Calories: who how much?
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