calculated above using her basic BMR 130 x 10 which turned out to be 1300

# Calculated above using her basic bmr 130 x 10 which

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calculated above using her basic BMR (130 x 10), which turned out to be 1,300 calories. Now, to factor in her activity level and digestion needs, simply follow steps 2 and 3 from the General Calculation: Activity level of 30% 1,366 x 0.30 = 409 calories 1,366 + 409 = 1,775 calories Digestion 1775 x 0.10 = 177 calories 1775 + 177 = 1,952 calories As you can see, you can use either the general calculation or the Harris-Benedict equation to get an appropriate approximation of your daily caloric expenditure. Using our example person, you can see that the difference between using the two calculations is only 93 calories (1,952 calories – 1,859 calories = 93 calories).

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What humans actually need – the basics Major Factors that Affect Daily Caloric Need: Although these two equations can give you a relatively true representation of your total daily caloric expenditure, there are some other factors that can affect your BMR, either negatively or positively. Age BMR decreases by 2% for every decade beyond the growth period, which is generally age 20. Sex Men generally have more muscle than women, and lean muscle mass burns calories while fat mass doesn’t burn any calories. Genetic Build Tall, thin people generally have higher metabolisms than short, heavy people. Malnutrition Eating too few calories, like when dieters severely restrict calories, slows down the metabolism, by up to 30%. Thyroid Disorders Since the thyroid regulates the metabolism, disorders of this organ affect metabolic rate. In people with hyperthyroidism (the thyroid produces too much hormones), metabolic rate is increased. Those with hypothyroidism under-produce the hormones needed to stimulate the metabolism, so their BMR decreases. Both hyper- and hypothyroid problems affect whole body health negatively. Pregnancy Elevates BMR, which increases caloric need. Pregnant women generally need about 300 extra calorieer day.
Women’s estimated daily caloric needs

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Men’s estimated daily caloric needs

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• Spring '14
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