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Bmi calculator women asian4/16/2024 ![]() ![]() ![]() The interest in an index that measures body fat came with observed increasing obesity in prosperous Western societies. In this paper, Keys argued that what he termed the BMI was “…if not fully satisfactory, at least as good as any other relative weight index as an indicator of relative obesity”. The dashed lines represent subdivisions within a major class.īMIs under 20 and over 25 have been associated with higher all-causes mortality, with the risk increasing with distance from the 20–25 range.Īdolphe Quetelet, a Belgian astronomer, mathematician, statistician, and sociologist, devised the basis of the BMI between 18 as he developed what he called “social physics”. The modern term “body mass index” (BMI) for the ratio of human body weight to squared height was coined in a paper published in the July 1972 edition of the Journal of Chronic Diseases by Ancel Keys and others. Commonly accepted BMI ranges are underweight (under 18.5 kg/m 2), normal weight (18.5 to 25), overweight (25 to 30), and obese (over 30).Ī graph of body mass index as a function of body mass and body height. That categorization is the subject of some debate about where on the BMI scale the dividing lines between categories should be placed. The BMI is a convenient rule of thumb used to broadly categorize a person as underweight, normal weight, overweight, or obese based on tissue mass (muscle, fat, and bone) and height. The BMI may be determined using a table or chart which displays BMI as a function of mass and height using contour lines or colors for different BMI categories, and which may use other units of measurement (converted to metric units for the calculation). ![]()
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