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A member asked:

For what reasons was the bmi calculator even invented?

A doctor has provided 1 answer

For studies: In order to study obesity, one has to have a definition of what it means to be obese. You can't simply use weight, as 200 lb might be obese for some people but would be a thin person if their height was 6 ft 8 in. Bmi takes into account height and weight. A bmi over 30 is considered obese.

Answered 4/8/2013

5.2k views

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