Body mass index or BMI is the weight in kilograms divided by the square of the height in centimeters. To calculate BMI using pounds and inches, multiply the product by 703. The BMI was invented by Belgian statistician Adolphe Quatelet in the 19th century for use in population studies. He never intended it to be used for individual people, because it says nothing about body shape or composition.
Before 1990 doctors and insurance companies used tables of weight versus height, one for men and another for women, based on simple actuarial statistics, to determine who was at risk. In 1998 the NIH went over to BMI in order to present info on both sexes in the same brightly colored diagrams. You saw then, too, the beautiful food pyramids that were also BS supreme.
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