How can you know how fat you are? Don’t worry, because you can measure your weight by use Body Mass Index (BMI). BMI is a reliable indicator of body fatness for people. It is a number calculated from a person’s weight and height. Although BMI doesn’t measure body fat directly, but research has shown that BMI correlates to direct measures of body fat, such as underwater weighing and dual energy x-ray absorptiometry (DXA).* It is a simple formula and easy to perform method of screening for weight categories that may lead to health problems.
*) ^ Katherine M. Flegal, PhD; Margaret D. Carroll, MS; Cynthia L. Ogden, PhD; Clifford L. Johnson, MSPH (2002). "Prevalence and Trends in Obesity Among US Adults, 1999-2000". JAMA 288 (14): 1723–1727. PMID 12365955. .
^ Dympna Gallagher, Steven B Heymsfield, Moonseong Heo, SusanFUCKING A Jebb, Peter R Murgatroyd and Yoichi Sakamoto (2000). "Healthy percentage body fat ranges: an approach for developing guidelines based on body mass index". AJCN 72 (3): 694–701. PMID 10966886. .
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Source : http://www.cdc.gov/nccdphp/dnpa/bmi/adult_BMI/about_adult_BMI.htm
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