CALORIE COUNT FOR HEALTHY LIFE

DAILY CALORIE COUNT

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When most of us think of calories, we think of how a food is fattening. In terms of nutrition, calories are the amount of energy provided by a food.
If we consume more energy than we need, we will gain weight. When we consume very little energy, we lose weight, fat and possibly muscle mass.
The definition of a calorie is the amount of energy required to increase the temperature of 1 gram (g) of water by 1 ° Celsius.
The type and amount of food we eat determines the number of calories we consume. For many people who go on a diet to lose weight, the amount of calories in a food is a determining factor in deciding whether to eat it or not.
How and when we eat can also make a difference because the body uses energy differently during the day. The energy consumption in our body depends on our degree of activity, the efficiency with which our body uses energy and our age.
According to the nutritional recommendations for Americans for 2015-2020, women probably need 1,600 to 2,400 calories a day and men 2,000 to 3,000. However, it will depend on your age, your height, your lifestyle, your general health and your level of activity.
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In order for the human body to stay alive, it needs energy.
About 20% of the energy we consume is used for brain metabolism. Most of the rest is consumed by the metabolism, the energy we need to rest in functions such as blood circulation, digestion and respiration.
In a cold environment, we need more energy to maintain a constant body temperature because our metabolism increases to produce more heat. In a hot environment, we need less energy.
We also need mechanical energy for our skeletal muscles to maintain our posture and movement.
Cellular respiration is the metabolic process in which cells gain energy by reacting oxygen with glucose to produce carbon dioxide, water and energy.
The efficiency with which the respiratory energy becomes physical or mechanical depends on the type of food consumed, the type of physical energy and the fact that the muscles are used aerobically or anaerobically.

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