Exercise Newbie

Are you fat? The answer may depend on which test you take. If you’re going by your body mass index, or BMI, a measure that factors in your weight and height, you are considered overweight if that score is 25 to 29, and obese if it’s 30 or higher. But a surprising new study finds that some people with a BMI pushing 28 actually have little body fat — and some folks with a BMI as low as 24 have too much.

The results question the validity of BMI, the most common measure for determining who needs to shed some pounds, says study author James Pivarnik, a professor of kinesiology and epidemiology at Michigan State University in East Lansing.

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