New scale offers alternative to body mass index

March 3, 2011 2:08:06 PM PST
There's a new way to measure whether a person is too fat without having people step on the scale.

It's called the body adiposity index, or BAI.

It's meant to offer a flexible alternative to body mass index, or BMI.

BMI is a ratio of height and weight. But researchers reporting in the journal Obesity say there is too much wiggle room in that calculation.

BAI is a complex ratio of hip circumference to height that can be calculated by doctors or nurses with a computer or calculator.

Authors say BAI still needs some fine tuning but they think it has great promise.

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