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agreed that men with more than 25% body fat and women with more than 33% body fat are obese.[17] Body fat percentage can be estimated from a person's BMI by the following formula:

Bodyfat% = (1.2 * BMI) + (0.23 * age) âˆ' 5.4 âˆ' (10.8 * gender)
where gender is 0 if female and 1 if male
This formula takes into account the fact that body fat percentage is 10% greater in women than in men for a given BMI. It recognizes that a person's percentage body fat increases as they age even if their weight remains constant. The results have an accuracy of 4%.[18]

Direct attempts to determine body fat percent are difficult and often expensive. One of the most accurate methods is to weigh a person underwater which is known as hydrostatic weighing. Two other simpler and less accurate methods for measuring body fat therefore have historically been used. The first is the skinfold test, in which a pinch of skin is precisely measured to determine the thickness of the subcutaneous fat......

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Approximate Pages: 3 (250 words per double-spaced page)

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