Losing 5 pounds is also different than losing 50 pounds. Weight loss works differently for persons of average weight, for the obese and for the extremely obese. This weight loss rule is ubiquitously known as the "3500 kCal per pound rule" which is, unfortunately, very imprecise as it was "derived by estimation of the energy content of weight lost but it ignores dynamic physiological adaptations to altered body weight that lead to changes of both the resting metabolic rate as well as the energy cost of physical activity". According to the conservation of energy law in order to reduce your body weight, which is effectively stored energy, you need to induce a caloric deficit by either increasing your energy expenditure or by decreasing the number of calories you consume daily.Ī lot of advice commonly given out states that to lose 1 pound (~0.45 kg) per week you need to reduce your caloric intake by 3,500 kCal per week*. since reducing food intake and/or increasing our physical activity level are the two ways to reduce body weight according to the energy balance principle. While this is a good question to ask, you should also be open to the opportunity of supplementing a caloric intake reduction with an increase in physical activity like fitness exercises, running, etc. This is a question many people attempt to answer when they set off to shed some of the extra weight to improve their current and future health outcomes, well-being and potentially self-esteem and happiness. How many calories should I eat to lose weight? How many calories to lose weight? It varies!.The science behind the weight loss calculator.How many calories should I eat to lose weight?.
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