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Explanation:

Not everybody needs the same number of calories each day. People have different metabolisms that burn energy at different rates, and some people have more active lifestyles than others. The recommended intake of calories per day depends on several factors, including: overall general health.“A calorie is a calorie is a calorie,” they say — that it doesn't matter whether you eat a 100 calories of candy or broccoli, they will have the same effect on your weight. It's true that all calories have the same amount of energy. One dietary calorie contains 4,184 Joules of energyf you are more than moderately active, the high end of the range is more reflective of your needs. However, as we age, our calorie needs decrease. Side note: If you are pregnant or breastfeeding, you may require more calories.There's no way around it. Once your body's energy needs are met, extra calories are stored for future use — some in your muscles as glycogen, but most as fat. Thus, eating more calories than you burn will cause you to gain weight, whereas eating fewer than you need will cause weight loss ( 4 )

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